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问题 选择题

Discovered by the Portuguese in 1506 and _____ in 1810, the island belongs to the Great Britain and has a population of a few hundred.

A．settling

B．settled

C．to settle

D．having settled

答案

答案：B

选择题

The foreign guests who paid a visit to our city last week are greatly impressed by the fact that_______ people from all walks of life are working hard for_______ new Haimen.

A．不填; a

B．不填；the

C．the；a

D．the； the
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单项选择题

噬菌体属于

A．原核细胞型微生物

B．支原体

C．真核细胞型微生物

D．非细胞型微生物

E．螺旋体
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