Largequantitiesofcottonshipped

Large quantities of cotton___shipped all over the world already.A large quantity of bamboo___used for pipes to carry water

A．has been;are

B．has been;is

C．have been;is

D．have been;are

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相关试题

Many died from the diseases ______by the Europeans.

A．bring

B．to bring

C．brought

D．were brought

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There is also a fierce debate over the question ______ human cloning experiments should be allowed.

A．that

B．what

C．which

D．whether

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Scientists still wonder whether cloning will help or harm us and where it ____ us.

A．has led

B．is leading

C．had led

D．would lead

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— It’s such a pity. I didn’t get the first place in the exam.
— Come on. __________

A．Nobody is perfect.	B．Congratulations!
C．Lucky you!	D．You really did badly

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It would be unfair to clone any extinct animals they were to live in a zoo.

A．or

B．if

C．but

D．whether

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