题目内容

A. damageB. predictC. destroyD. affect

A. damage
B. predict
C. destroy
D. affect

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Nanoconveyors could be used to____________.

请在第____处填上正确答案。

A. plant
B. source
C. equipment
D. 1ine

The leaves have been swept into huge heaps.

A. loads
B. 1ayers
C. pyramids
D. piles

Schmidt and her colleagues are the first group of scientists studying Europa.

A. Right
B. Wrong
C. Not mention

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