单项选择题

Astronomers have leamed that the spectacular tails of comets are extremely tenuous bodies, （）particles that the pressure of light can bend them.

A. comprising the least
B. composed of such minute
C. composed of very large
D. having so small number of

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单项选择题

You have managed to bungle every task I’ve given you so far. ______, I am prepared to give you one last chance.

A. Overall
B. Regardless
C. Nevertheless
D. Furthermore

单项选择题

There are no trips that will make it possible for the tourists to stop everywhere and see ______ they want.

A. all what
B. everything that
C. everything what
D. all which

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