题目内容

下列说法正确的是()。

A. 水的体积很难被压缩，这是分子间存在引力的宏观表现
B. 气体总是很容易充满容器，这是分子间存在斥力的宏观表现
C. 两个相同的半球壳吻合接触，中间抽成真空(马德堡半球)，用力很难拉开，这是分子间存在吸引力的宏观表现
D. 用力拉铁棒的两端，铁棒没有断，这是分子间存在吸引力的宏观表现

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分子间有相互作用势能，规定两分子相距无穷远时两分子间的势能为零，设分子a固定不动，分子b以某一初速度从无穷远处向a运动，直到它们之间的距离最小。在此过程中，ab之间的势能()。

A. 先减小，后增大，最后小于零
B. 先减小，后增大，最后大于零
C. 先增大，后减小，最后小于零
D. 先增大，后减小，最后大于零

I'm sorry that I forget ______ the book to you yesterday.

A. giving
B. to give
C. to be given

He is really interested in fishing.

A. Right.
B. Wrong.
C. Doesn't say.

第二节完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
One day Albert was reading an evening paper. To his【16】, be found his first teacher was【17】alive, but【18】a medal for having【19】for sixty years. So he drove over【20】a visit.
The teacher was【21】to teach now, but the school and students were still in his【22】. When they met,【23】they were! They talked about things and people【24】they remembered. Later, when he saw his papers still kept at the teacher's, Albert was moved【25】.
(16)

A. surprise
B. surprised
C. surprising