单选题：The document was compiled by the Department of Health.

题目内容：

The document was compiled by the Department of Health. A．written
B．printed
C．attached
D．sent

参考答案：

答案解析：

What does "to limit their reproduction" in the last paragra

What does "to limit their reproduction" in the last paragraph mean?A．To control

分类：综合类题型：单选题

Which of the following statements does the author seem most likely to agree wit

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Paragraph 6 __________A．Kripke's research tool B．Dangers of habitual shortages o

分类：综合类题型：单选题

Those countries were once worried that they would not have adequate supplies of

分类：综合类题型：单选题

The word "cheap" (Line 2, Paragraph 5) is closest in meaning to__________.A．inf

分类：综合类题型：单选题