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【单选题】
Richard __________ injured in the car crash,but I didn’t stop him driving after he drank some beer.
A.
wouldn’t have got
B.
might not get
C.
mustn’t have got
D.
should not get
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【简答题】阅读理解。 Polar bears live in the coldest environments on Earth-the Arctic. Called 'ice bears'in manyEuropean languages, polar bears depend on the ice that surrounds them for their survival. As the Arctic...
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【简答题】种类繁多的生物都生活在一定的环境中,生物与环境相互影响、相互作用,构成了。是地球上最大的生态系统。
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【单选题】—When will you come to see me, Dad? —I will go to see you when you _____the training course.[ ]
A.
will have finished
B.
will finish
C.
are finishing
D.
finish
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【简答题】一种生物与另一种生物共同生活在一起,相互依赖,彼此有利,分开后都不能独立生活的现象叫______.地衣是______和______共生在一起形成的.
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【单选题】_____ makes that teacher famous is _____ over 92% of his students have been admitted to the state universities.
A.
What; because
B.
That; because
C.
That; what
D.
What; that
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【单选题】—Is there a fog in the evening ?—There be .I’ll make a phone call to find it out .
A.
must
B.
would
C.
will
D.
might
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【简答题】Enter a typical high school, and the first thing you see is the front office, where the principal dwells and grades are stored. The front office also reinforces familiar hierarchy(等级制度): principal at ...
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【单选题】— Liu Fang, I didn't know you can play the Pipa and Guzheng so well.— Well, actually I ________ it since I was six years old.[ ]
A.
plays
B.
have been playing
C.
played
D.
had been playing
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【单选题】To show our respect,we usually have to take our gloves off ________ we are to shake hands with.[ ]
A.
whichever
B.
whenever
C.
whoever
D.
wherever
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【简答题】一般地说,在一个生态系统中,生物种类越多,营养结构越复杂,自动调节的能力就越 ;营养级越多,在能量流动中消耗的能量就越 。
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