题目内容

Questions 11 to 18 are based on the conversation you have just heard.

A. To be an honest and responsible person.
B. To learn at least one foreign language.
C. To learn computer knowledge.
D. To know what is necessary.

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补写出下列名句名篇中的空缺部分。奄奄黄昏后，______。(《孔雀东南飞》)

Questions 11 to 18 are based on the conversation you have just heard.

A. Typing an report.
B. Going to hospital.
C. Driving her car.
D. Buying some fruit.

A 根据下面短文回答下列问题。 Four girls went to school every day by taxi. One day, there was a test (测试) in the morning. The girls didn’t want to take the test, so they decided (决定) to get to school late. "What can we tell the teacher" one of the girls said. They thought for a moment (片刻), and then one of them said, "Let’s tell him that our taxi had a flat tire (车胎气)." "That’s a good idea," the other girls said. They arrived at school an hour later. The test was finished. "Why are you late You missed the test," the teacher asked. "Our taxi had a flat tire," the girls said. The teacher thought for a moment, and then he said, "Sit down, one of you in each corner (角落) of the room." The four girls did this. Then the teacher said, "Write the answer to this question: Which tire was flat\ How did the girls go to school every day

A. By bus.
By taxi.
C. On foot.

设有某简化的网上购物系统，其E-R图如下：该系统数据之间存在下列约束： Ⅰ．一个客户(编号唯一)可以拥有多个订单，每个订单仅属于一个客户。 Ⅱ．一个订单(编号唯一)可以包含多个订购细目，每个订购细目只属于一个订单。 Ⅲ．一种商品可以出现在多个订购细目中，一个订购细目只包含一种商品。 Ⅳ．一个商品类别可以包含多种商品，一种商品只属于一个商品类别。请根据以上约束，标出E-R图中各实体集之间联系的基数。