当今，被海内外誉为“进入中国经济的大门，打开中国市场的金钥匙，连接中国与世界经济的桥

用方框中所给动词的适当形式完成下列句子

1. I _____ my teeth three times yesterday.

2. When I was a child, I _____ to be a doctor.

3. We _____ our vacation last year. We stayed at a very nice hotel.

4. Amy's grandfather _____ when he was 90 years old.

5. The concert _____ at 7:30 and ended at 10:00.

深圳局轻纺处负责对深圳各分支局的玩具检验业务进行指导。( )

若某计算机系统的I/O接口与主存采用统一编址，则输入输出操作是通过（）指令来完成的。

A．控制

B．中断

C．输入输出

D．访存

下列不属于《相信未来》一诗所采用的意象的是______。

A．布满蜘蛛网的炉台
B．通向远方的大道
C．紫葡萄
D．美丽的雪花

James denounced sorcery, adultery, ______, incest, extortion, and murder; he would not eat prepared food, which he said was unclean, and stopped drinking milk.

A. monogamy
B. monologue
C. polygamy
D. polygene