“人靠衣服马靠鞍”，商品通过适当包装美化自我，本无可厚非。然

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问题选择题

“人靠衣服马靠鞍”，商品通过适当包装美化自我，本无可厚非。然而消费者更看重的是产品本身，而不是只有一次性使用价值的包装。这告诉我们：[ ]

A、客观要符合主观

B、实践是认识的基础

C、要坚持两点论和重点论的统一

D、要树立全局观念

答案

答案：C

填空题

用since 和for 填空。

1.The German teacher has worked in China _______quite a few years.

2.Dick has worked as a taxi driver_______ about ten years.

3.Helen has worked as a shop assistant_______ 1992.

4.We have studied English_______about five years.

5.They have studied French_______1990.

6.Hans has made a lot of friends_______he came to China.

7._______last January, the city has developed its telephone services swiftly.

8.I have been a Youth League Member (青年团员)_______two years.

单项选择题

可用于数字信号基带传输的信道为（）

A.电缆信道

B.光缆信道

C.卫星信道

D.微波信道