4 、 He is a physician
A researcher
B professor
C doctor
D student
5、 An important part of the national government is the Foreign Service,a branch of the
Department of State.
A tree
B division
C root
D leaf
6、 Mary gets up at six o'clock every morning.
A rises
B stands
C arrives
D comes
【解析】
4、C physician内科大夫;doctor:大夫。是内科大夫必然是大夫,因此用doctor 替换physician对句子的意义没有太大的影响。researcher研究者;professor教授;student学生。
5、B branch:分支机构:枝。division也有分支机构的意义。tree树;root根;leaf叶。
6、A get up:起床。rise也有这个意思。Mary rises very early.玛丽起得很早。stand 站;arrive到达;come来。
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