第二部分：英语知识运用(共两节，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，选出最佳选项，并在答题卡上将该项涂黑。
21. When armed with ______ awareness of what you truly value, you are in ______ excellent
position to pick a career you will find rewarding.
A. an; an B. the; an C. an; the D. the; the
22. Mr. Brown is an experienced doctor. He is always ______ when faced with emergency.
A. as poor as a church mouse B. as busy as a bee
C. as cool as a cucumber D. as strong as a horse
