5. branch A. technical B. machine C. research D.
stomach
第二节 语法和词汇知识(共15小题,每小题1分;满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答案卡上将该项涂黑。
例: It is generally considered unwise to give a child he or she wants.
A. however B.
whatever C.
whichever D.
whenever
答案是B。