Miss Gao likes music. She spends a lot o

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问题选择题

Miss Gao likes music. She spends a lot of money _____ CDs.[ ]

A. to buy

B. buying

C. buys

D. buy

答案

答案：B

多选题

如图所示，一束带电粒子沿水平方向平行地飞过小磁针的正上方时，小磁针的S极向纸内方向偏转，这一带电粒子束可能是（　　）

A．由a向b飞行的负离子束

B．由a向b飞行的正离子束

C．由b向a飞行的正离子束

D．由b向a飞行的负离子束

单项选择题

Having spent two days on one subject and ______ two days on the other subject, I am now ready for the exam.

A．other

B．next

C．those

D．another