第二部分：英语语言知识运用（共三节，满分35分）
第一节：单项选择（共15 小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21, ---What's the matter, doctor?
---Nothing serious. Take this medicine according to the ____, and you'll get better soon.
A. introductions B. explanations C. advice D. directions
22, He was robbed last night, but he didn’t have much on him then.
A. fortunately B. eventually C. certainly D. surprisingly
