单项选择题

In this chapter we will（）the magnetic effects of the electric current.

A. deal with
B. deal in
C. trade with
D. drop in

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We cannot expect her to do the homework（）look after the children.

A. as well
B. so well
C. as well as
D. so as
单项选择题
（）misunderstanding can prevent you from helping each other more.

A. Nothing but
B. Anything but
C. But for
D. Rather than
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