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问题 单项选择题

普通混凝土小型空心砌块（GB8239-1997）标准适用于工业与民用建筑用（）。

A、烧结普通砖

B、烧结多孔砖和多孔砌块

C、普通混凝土小型空心砌块

D、轻集料混凝土小型空心砌块

答案

参考答案：C

历史上有些年代注定不平凡，让人无法忘记。1997年我国恢复对香港行驶主权让人无法忘怀。香港的回归与哪一国策的成功实施有关？

A．科教兴国

B．依法治国

C．和平共处五项原则

D．一国两制
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单项选择题

I got a job teaching special education at a school in Coachella, California, a desert town about 170 miles from home. It was no (1) job. Street gangs (2) around the school after dark."Be careful," Dad warned me during one of my frequent weekend (3) home. He was concerned about my living (4) , but I needed to be on my own.One evening, I stayed after school to rearrange my classroom. (5) , I turned out the light and closed the door. Then I (6) toward the gate. It was (7) ! I looked around. Everyone had gone home.After (8) all the exits, I found just enough (9) to squeeze under a gate in the back of the school. Then I walked toward my car, parked in a field behind the building.Suddenly I heard voices. I (10) around and saw at least eight boys following me. (11) my pace, I reached into my shoulder bag to get my key. I (12) all over the inside of my handbag. But the key wasn’t (13) ! Dear Lord, please help me, I prayed (14) . Suddenly, my fingers touched a loose key in my purse. I didn’t even know if it was for my car, but I took it out and (15) it. It worked!I opened the door, slid in and locked it—just (16) the teenagers surrounded the car. Trembling , I started the engine and (17) away. When I returned to my apartment, the phone was ringing. It was my Dad. I didn’t tell him about my experience; I didn’t want to (18) him. "Oh, I forgot to tell you!" He said, "I had a(n) (19) car key made and slipped it into your purse—just (20) you ever need it.

第（8）空应选择（）

A．checking

B．searching

C．trying

D．following
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