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    ________ certain that his invention will lead to the development of production．

    [　　]

    A．That's

    B．This is

    C．It's

    D．What's

    答案：C
    解析：

    It is certain that…肯定的是……。


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    完形填空

    　　If you have a watch, don’t repair it! I know it 　　1　　．Once I had a beautiful watch．And this watch 　　2　　 perfect time．But one night it happened that I forgot to 　　3　　 it up．Next morning I went to a watchmaker as I wanted my perfect watch to 　　4　　 by the exact time．The watchmaker examined my watch and said, “The regulator(校准器)is to be pushed up 　　5　　 your watch is four minutes 　　6　　．”

    　　I tried to stop him, tried to 　　7　　 him understand that my watch kept perfect time, but he did not listen to me and pushed the regulator．

    　　My beautiful watch began to gain time．It 　　8　　 faster and faster day by day．By the end of the second month it 　　9　　 all the clocks and watches of the town far behind．

    　　What did I have to do? To take it to another watchmaker to be regulated．I expected him to regulate the watch immediately 　　10　　 he asked me to come in a week’s time．When at last I took my watch from him it began to 　　11　　 down．And I began to be late for trains, business appointments and even missed my dinners．

    　　Now I went to 　　12　　 watchmaker．While I waited for him to repair my poor watch, he 　　13　　 it to pieces and said that he could finish this work 　　14　　 three or four days．I could do nothing but 　　15　　．That time my watch went for half a day and then stopped．

    　　So I kept 　　16　　 my watch from one watchmaker to another for a considerable period of time．

    　　And as a result of it the cleverest man in the world could not 　　17　　 the time by my watch．The thing was getting 　　18　　．My watch had 　　19　　 two hundred dollars originally but I paid for repairs more than two hundred．At last I decided to buy 　　20　　 watch, which I did．

    (1)
    [　　]

    A．

    for reality

    B．

    for truth

    C．

    for certain

    D．

    for certainty

    (2)
    [　　]

    A．

    kept

    B．

    told

    C．

    observed

    D．

    struck

    (3)
    [　　]

    A．

    turn

    B．

    wind

    C．

    pick

    D．

    put

    (4)
    [　　]

    A．

    be turned

    B．

    be taken

    C．

    be put

    D．

    be set

    (5)
    [　　]

    A．

    as

    B．

    as if

    C．

    when

    D．

    if

    (6)
    [　　]

    A．

    fast

    B．

    slowly

    C．

    faster

    D．

    slow

    (7)
    [　　]

    A．

    get

    B．

    persuade

    C．

    make

    D．

    explain

    (8)
    [　　]

    A．

    gained

    B．

    lost

    C．

    went

    D．

    won

    (9)
    [　　]

    A．

    had remained

    B．

    had left

    C．

    had stayed

    D．

    had fallen

    (10)
    [　　]

    A．

    however

    B．

    and

    C．

    but

    D．

    therefore

    (11)
    [　　]

    A．

    go

    B．

    walk

    C．

    slow

    D．

    take

    (12)
    [　　]

    A．

    the third

    B．

    the second

    C．

    the first

    D．

    th fourth

    (13)
    [　　]

    A．

    broke

    B．

    took

    C．

    tore

    D．

    cut

    (14)
    [　　]

    A．

    after

    B．

    before

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    over

    D．

    in

    (15)
    [　　]

    A．

    to agree

    B．

    agree

    C．

    agreeing

    D．

    agreed

    (16)
    [　　]

    A．

    taking

    B．

    bringing

    C．

    carrying

    D．

    fetching

    (17)
    [　　]

    A．

    recognize

    B．

    tell

    C．

    know

    D．

    understand

    (18)
    [　　]

    A．

    seriously

    B．

    pleasant

    C．

    badly

    D．

    serious

    (19)
    [　　]

    A．

    spent

    B．

    took

    C．

    cost

    D．

    paid

    (20)
    [　　]

    A．

    another

    B．

    the other

    C．

    one

    D．

    one more

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