第二部分 英语知识运用（共两节，满分50分）
第一节 单项填空（共20小题；每小题1分，满分20分）
16. The Arctic, which is abundant in oil, _____ second only to the Middle East, is ______ home to seals.
A. the; a B. /; the C. the; a D. /; /
17. I was blessed with a happy childhood, ______ that most people would want to have.
A. the one B. one C. it D. /
18. By 2013, cases of AIDS had been reported in Harbin, thus _____ AIDS a provincial concern.
A. to make B. making C. having D. made
19. Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.
A. build up B. pack up C. bring up D. take up
