Question

Professor Smith and Professor Brown will _____ in giving the class lectures.

A．exchange

B．alter

C．shift

D．alternate

Answer 1

D

考查动词词义辨析。alternate vt./vi. 轮流，交替发生或出现；shift般动，移动（vt.）；转移到，迁移（vi.）；改变；exchange交换；exchange... for ... 用.......换......；alter(部分)修改。