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科目: 來(lái)源: 題型:

-- _____ nice day it is today! Let’s go out to play, shall we?
-- That’s a good idea.
A. How a                    B. What a                   C. How

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– It’s an exciting movie. I’ve just seen it.
-- _____.
A. So do I                   B. So I have                 C. So have I

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– Do you know _____ this time yesterday?
-- Sorry, I don’t know.
A. what she is doing     B. what was she doing  C. what she was doing

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_____ he was only twelve, he could run faster than any kids in the school.
A. Though                   B. Because                   C. If

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– Do you know who cleaned the blackboard, Tina?
-- Yes. John _____.
A. do                          B. does                       C. did

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The people _____ helped us build our hometown are from Beijing.
A. which                     B. whom                     C. who

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Speak aloud, please! I can _____ hear you.
A. almost                     B. hardly                     C. usually

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科目: 來(lái)源: 題型:

下列敘述中不正確的是
A.在單克隆抗體上連接抗癌藥物制成生物導(dǎo)彈,既可以消滅癌細(xì)胞,又不傷害健康細(xì)胞
B.利用植物組織培養(yǎng)技術(shù)得到的植株,所產(chǎn)生的變異來(lái)源于基因突變、基因重組和染色體
變異
C.目前使用的或冷凍保存的正常細(xì)胞通常為10代以?xún)?nèi)的細(xì)胞
D.動(dòng)物細(xì)胞在傳代至50代后能繼續(xù)傳代的細(xì)胞獲得了不死性

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科目: 來(lái)源: 題型:

The final exam is coming. Our teachers tell us _____ time.
A. not to waste            B. not waste               C. don’t waste

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If you _____ your homework, you can go out to play football.
A. finish                      B. will finish                C. are finishing

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