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Sec. 1 Articles

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Title: Sec. 1 Articles


1
Sec. 1 Articles
2
  • Definite article the
  • Indefinite articles a/an

3
Definite article
4
Chinese students misconceptions
  • the?
  • the can be put before any noun.

5
Translation
  • ??????????
  • The proof of the theorem is difficult .
  • ??????????
  • The switch on the wall is for the ceiling light

6
Indefinite articles
7
  • A mistake Chinese students often make
  • Engineer can create what has never existed
    before.

8
Why are indefinite articles often neglected by
Chinese students and how to avoid this?
A question
9
  • Mistakes correction
  • As one of wide-band gap ?-? group
    semiconductor, ZnSe has received much attention
    for its technological application in blue laser
    diode, IR optical window, solar cell and sensor.

10
Special cases
11
  • Any/all/each/some/many/most/one/none/either/neithe
    r/the rest of the
  • so/too complex a machine/as good a conductor as
    copper
  • an S-shaped magnet

12
The indefinite article can be put before an
uncountable noun to express ??,??
13
  • Make a(n) analysis/study/comparison
  • Gain an understanding
  • Give a(n) introduction/discussion

14
Blank filling
  • 1. If voltage is applied across a
    circuit,
  • electric current will flow in
    circuit.
  • 2. tungsten is metal used in
  • electric lamp.

15
  • Translation
  • ????????????????
  • ??,??????????????????

16
Pay attention to the use of articles in the
following cases
  • When the Chinese character ? appears
  • Before uncountable nouns
  • Before countable nouns in the singular form
  • Before countable nouns in the plural form

17
Translation
  • ????????????????
  • ?????????????2?????

18
Sec. 2 Prepositions
19
of
20
  • of an abstract noun the corresponding
    adj. (This noun can be modified by an adj.s or
    determiner.)

21
Translation
  • ???????
  • ???????????

22
Express the meaning of among
23
Introduce an appositive
24
  • The science of chemistry
  • The concept of potential difference

25
Translation
  • ????
  • ???????

26
  • Introduce a numerical value

27
  • a current of 4 mA

28
Introduce a logical object
29
An example
  • The separation of aluminum from its ore was
    very difficult at that time.

30
Translation
  • ????
  • ????

31
A mistake Chinese students often make
  • ??????? the application to the computer

32
Chinese students misconception
  • ?to

33
Help to form set collocations
34
  • the ability of a body to do work
  • the tendency of an object to move
  • the desire of man to control nature

35
with
36
  • ? with an abstract noun (care/ease/difficulty/ef
    ficiency/skill/precision) the corresponding
    adverb

? ??, vary/ change/ increase/ decrease/ rise,
fall with
This parameter varies with temperature.
With the rise in/of temperature
  • ? ?
  • With-structure
  • with emphasis on

37
by
38
? a value
??/??10?
? ??????
By Ohms law By this method/means/process/rule/sta
ndard
? ?? by gerund
39
for
40
? a duration
???
For xlt1, this equation holds.
? purpose
????X??
? reason For this reason for convenience
? set collocations
Method/technique/algorithm/condition/requirement
for
41
in
42
  • ? ????????????
  • in their study of electricity
  • in using this device
  • ????
  • The machine is small in size.
  • They are different in function.
  • reduction/decrease/increase/change/rise/fall/drop
    in temperature
  • ? set collocations
  • in this way/manner/fashion

43
over
44
  • Its flight over this city was a great success.
  • This new design has many advantages over the
    original one.
  • The determination of its average velocity over
    this distance is not difficult.
  • This wire is over five times as long as that one
    (is).
  • The reliability of modem electronic equipment has
    improved greatly over the years.

45
on/upon
??(?)????????
Upon substituting the actual magnitudes,
it turned out that v is the velocity of light.
46
at
  • Mistakes Chinese students often make
  • ???? under room temperature
  • ?????? under this frequency

47
A special function of the preposition
48
Prepositional object --- only after a few
prepositions, such as from, except, to,
49
  • The energy from within the earth can be
    exploited.
  • This equation does not hold except in this case.

50
Sec. 3 Coordinators
51
and
52
Its special use
53
  • a noun ( phrase) and --- If ---, ---.
  • One more effort and we shall succeed.

54
Translation
  • ??????,????????????

55
Mistakes Chinese students often make
  • A, B
  • A?B
  • A, B, C

56
or
57
  • There are three main laws of mechanics or three
    laws of Newton.
  • Computers are particularly useful in such systems
    as telemetry, where signals must be quickly
    recorded or be lost.

58
for
59
  • In previous chapters we did not use the
    trigonometric, inverse trigonometric,
    exponential, or logarithmic functions, for the
    derivative of each of these is a special form.

60
Pay attention to the difference between for and
because.
61
Sec. 4 Numerals
62
  • Rough integral numbers
  • ???,????
  • ??
  • ???
  • ???

63
  • A general formula for expressing a fraction
  • Numerator (a cardinal number) / Denominator
    (an ordinal number in plural form except when the
    numerator is 1, in which case a singular form is
    used)

64
  • 1/3
  • 5/6
  • 1/2
  • The rest mass of the products of the explosion is
    less than the original rest mass by one
    ten-thousandth of the original rest mass.
  • ???? five tenths of a gram
  • (or 0.5 gram --- a decimal number)

65
How can we express the idea of ????
66
Formula a few (or several) tenths
67
Translation
  • ????????????????

68
  • A special form used mainly in science (often
    to express a very small fraction)

69
  • A cesium clock maintains its frequency
    constant to one part in one hundred billion
    (1011)or better.

70
The special way for a numeral to act as a
pre-modifier
  • a multiple the its, their a noun
  • a fraction that a postmodifier


    (mainly of-phrase)
  • a percentage what-clause

71
Examples
  • Its output is 100 times (as great as) the signal
    applied to the amplifier.
  • The force provided by two parallel rubber bands
    is twice (as large as) that provided by one
    rubber band.
  • This voltage is two fifths what it was.

72
A mistake Chinese students often make
  • ??????????This book is 3 times thicker than
    that one.

73
Sec. 5 Verbs
74
Notional verbs
75
  • Cultivate the awareness of the importance of
    notional verbs in English learning and pay
    attention to the verbs whose use goes beyond our
    expectation.

76
Examples
  • Recent years witnessed a rapid growth of
    communication services.
  • Computers of this kind enjoy great
    popularity.

77
Link verbs
78
  • Make it clear that not merely the various
    forms of be are link verbs and pay attention to
    the special use of prove .

79
Translation
  • ?????????????
  • ????????????

80
Semi-auxiliary verbs
81
  • Pay attention to the special use of the
    semi-auxiliary verb remain
  • Translation
  • ?????????
  • ?????????

82
Sec. 6 Adjectives
83
Singular adjectives as attribute
84
  • Some adjectives may act as a postmodifier
    available, possible
  • No textbooks available mention this point.
  • In this case there are two directions possible .

85
  • Some adjectives must act as postmodifiers
    present, what(so)ever
  • The energy within the spectrum is distributed
    smoothly among the various wavelengths present.
  • In this case no rotation whatsoever will result.

86
Singular adjectives as adverbial
87
  • Cast iron is usually machined dry.
  • The suns rays come to the earth almost parallel.

88
A special kind of adjective uned as adverbial
89
  • These machines can work unattended.
  • In this case the signal waveform can be
    transmitted undistorted.
  • Even if a student can follow every line of every
    example in this book, that doesnt mean that he
    or she can solve problems unaided.

90
Adjective phases as postmodifiers
91
  • The coming years will witness the arrival of
    microprocessors with performance and complexity
    levels so high that such devices would have been
    inconceivable only a decade ago.
  • The truth table gives us a means of handling
    problems too complex to be solved by inspection.

92
A set pattern
  • We shall have giant televisions one inch thick.
  • Fig. 5 shows two parallel wires two meters long.

93
Adjective phrases as adverbial
94
  • Accurate in operation and high in speed,
    computers can save man a lot of time and labor.
  • Contrary to popular belief, humans don't need
    less sleep as they age.
  • Light, durable, simple and inexpensive, such
    devices are warmly received by users.
  • Free from the attack of moisture, a piece of iron
    will not rust very fast.

95
  • The gas is restored to its original temperature,
    ready to repeat the cycle again and again.
  • The force M acts perpendicular to the earths
    surface.

96
A writing technique
  • If two coordinate sentences have the same
    subject, replace one of them with an adjective
    phrase if possible.

97
Translation
  • Washington ?????????,???????,????????????
  • Medium-sized and coeducational, Washington
    University ranks among the nations leaders in
    higher education.

98
Sec. 7 Adverbs
99
Predicative
Such adverbs as on, off, over, apart, away can
act as the predicative in a sentence.
100
Postmodifier
Singular adverbs expressing place or time can be
used as a postmodifier above,below,here,there,aro
und now, then, today
101
Examples
  • The two equations below are very useful.
  • The problem now is how to solve the equation.

102
An expression of a numerical value an adverb
(usually apart, away and etc.) can act as a
postmodifier.
103
Examples
  • Electronic mail enables one to establish contact
    with the people half a world away.
  • This type of keyboard puts the keys in two curved
    wells a shoulder distance apart .

104
Sec. 8 Pronouns
105
The relationship between a possessive pronoun and
the noun it modifies
106
Belonging
107
Subject-predicative
  • Light is needed by the green plants to make them
    green and they cannot survive for long in its
    absence. ( without it if it is absent) .
  • Water and carbon dioxide are among substances
    that absorb the infrared. Their presence in the
    atmosphere has an insulating effect.

108
Subject-predicate
  • There is a capacitance across the PN junction.
    And its existence causes some problems at high
    frequencies.
  • A baseball that lands in an open soon comes to
    rest because of its interaction with the ground .

109
  • Decision tables are very compact in their
    representation of information .
  • Thus far our discussion of the principles of
    mechanics has been concerned primarily with
    particles.
  • This is possible because of our assumption that
    the transistor is a linear amplifier over the
    range of voltages and currents of interest.

110
Predicate-object
  • The Fourier transform is a very powerful tool
    that is used to a great extent in engineering.
    However, the limitation defined by Eq. (2 1)
    restricts its use in important situations .
  • Attention focuses on the floated gyroscopes
    because of their utilization as an essential
    component in ballistic missiles .
  • The result of an experiment forced the
    abandonment of Thomsons model and its
    replacement by a new model .

111
Translation
  • ????????????,??????k??????????
  • ??????????,????????????
  • ?????????????????,????????????
  • ???????????????
  • ???????????????????

112
Mistakes Chinese students often make
  • ???????
  • Computer and the Application
  • Computer and the Application of it
  • Computer and its Application

113
  • A personal pronoun may sometimes be used to
    stand for something after it.
  • When they get hot, all metals melt.
  • Because of its simplicity, the circuit is widely
    used in power supplies.
  • I'd appreciate it very much if you could give
    him a chance to study at your university.

114
Sec. 9 Nouns
115
Premodifier
  • UNESCO
  • Aerospace Applications of Artificial Intelligence
    Annual Conference
  • Communications satellites
  • Nature preservation

116
Summarize some writing techniques by answering
the following question
  • In what cases can nouns be used as a
    premodifier according to the examples above?

117
Postmodifier
  • Expressing size, value, etc. (of is omitted )
  • In six years we will have a computer the size of
    a watch. ( as small as a watch)

118
Translation
  • ?????????
  • ????????
  • ????????

119
Adverbial
120
How to translate ???????,??? and ?????
?Analyze the function of the noun in the
phrases.
121
More examples
  • Transistors are temperature sensitive.
  • This material is acid resistant.

122
Translation
  • ????(???)??????
  • ???
  • ???
  • ?????

123
Appositive
124
  • A noun phrase may act as an appositive to
    the whole sentence (or part of it) before, so as
    to make a long, complex sentence a simpler one.

125
Examples
  • If x were outside this range, the potential
    energy would exceed the total energy, an
    impossible situation.
  • Increasing levels of carbon dioxide and other
    pollutants are responsible for a rise in global
    temperature, a phenomenon called global warming.

126
A noun phrase may be put before a sentence,
acting as an appositive to the subject of the
sentence to make a long, complex sentence a
simpler one.
127
An Ivy League university located in
Philadelphia,Penn was founded by Benjamin
Franklin and has been a pioneer in education and
research for more than two hundred years .
128
A writing technique
  • If two coordinate sentences have the same
    subject, replace one of them with a noun phrase
    if possible.

129
Translation
?????????????????,????1931?? ???20???????????????,
?????????????????
130
One of the national key universities, Xidian
University was founded in 1931 . A new technology
introduced in the 1960s, laser can pierce the
hardest substance such as diamond .
131
Make a comparison of the writing technique here
with that mentioned in the Adjectives part.
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