正确答案: C

1997年7月1日和l999年12月20日

题目：香港和澳门回归祖国的时间分别是（　　）

解析：C

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学习资料的答案和解析：

[单选题]Why does the author think it necessary to bring order to the Internet_________?

Because its information is diverse and widespread.

解析：逻辑分析题。根据第一段“Because of the diverse and widespread information when one needs it，there is a need to bring some sort of organization to the Internet community．”可知只有选项C(because its information is diverse and widespread)符合题意，因此C为正确答案。

[单选题]Passage TwoTelephone books in the United States have white, blue and yellow pages. The white pages list people with phones by last name, the blue pages contain numbers of city services, government agencies and public schools. Businesses and professional (专业的) services are listed in a special section, the yellow pages. To make a long-distance call, you need an area code. Each area in the U. S. has an area code. The area covered by one area code may be small or large. For example, New York City has one area code, but so does the whole state of Oregon. If you want to know the area code of a place, you can look it up in the area code map, which is printed in the front of the white pages.

In the blue pages.

解析：

36．答案为A  从第一段the blue pages contain numbers of city services，government agencies可知蓝页中可查到政府机构，因此选A。

[单选题]Directions: There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the answer sheet.6. ______ the look on his face, he wasn't satisfied with their performance.

Judging by

[多选题]关于咳嗽的描述，下列选项正确的有（ ）

左心功能不全引起的咳嗽常在夜间明显

长期、频繁、剧烈的咳嗽属于病理现象

咳嗽时声音嘶哑可见于喉炎

湿性咳嗽可见于空洞型肺结核

解析：ACDE

[单选题]下列划线句子的翻译错误的是( )

字而幼孩，遂而鸡豚。

[单选题]骨是一种器官，它的构造包( )

骨质、骨膜、骨髓及血管淋巴管和神经