二、单项填空（共16小题; 每小题0.5分，满分8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，并在答题纸上将该选项标号涂黑。
17. ______young(Young) man as he is , he has managed to have ______ knowledge of cultural differences of different countries.
A. A; the B. A; a C. /; / D. /; a
18._________ the necessary equipment, the seriously wounded man had to be sent to another hospital for the operation.
A. Lacking B. Lacking of C. For lack of D. Lacked in
19. ---He’s made _________progress that his parents must be pleased with him.
--- __________________. And he also takes great pride in himself.
A. so great; So he has B. such great; So has he
C. so much; So he has D. so much; So has he.
20. It’s only when he reached the tea-house that _____it was the same place he’d been in last year.
A. he realized B. he did realize C. did he realize D. realized he
21. There are some health problems that, when ____ in time, can become bigger ones later on.
