第I卷 选择题部分 （共72分）
I. 单项填空（共20小题；每小题0. 5分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳项，并在答题纸上将该选项标号涂黑。
1. In the USA, _______ Thanksgiving Day is a harvest festival. Traditionally, it is _______ time to give thanks for the harvest and express gratitude in general.
A. the; a B. /; the C. /; a D. the; the
2. One of the requirements for a fire is that the material _________ to its burning temperature.
A. is heated B. be heated C. would be heated D. shall be heated
【答案】B
【解析】
试题分析：句意：对火的要求之一是材料要被加热到燃点。主语是requirement，suggestion，order，advice等词后面的表语从句中用虚拟语气：should do，should可以省略，而且material和heat是被动关系，用被动语态，选B。
考点：考查虚拟语气
3. Compared with his sister, Jerry is even more ________ to, and more easily troubled by, emotional and relationship problems.
A. skeptical B. addicted C. available D. sensitive
