The passage indicates that, in comparision to radio waves, gamma waves ______.
A. produce louder sound
B. are less magnetic
C. do not form in the Sun's center
D. are not long
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Which of the following countries has tile most immigrants
A. The U.K.
B. The U.S.
C. Australia.
D. New Zealand
The two houses were not ______.
A. of the same style
B. designed by the same designer
C. the same looking from the outside
D. the same looking from the inside
在信息系统项目中，为了提高沟通的效率和效果，需要把握一些基本原则；其中不包括 (5) 。
A. 沟通内外一致
B. 扫除沟通的障碍
C. 沟通的升级原则
D. 非正式的沟通有助丁关系的融洽
总需求(AD)由消费需求、投资需求、政府需求以及净出口组成。其中，( )取决于国内和国外的收入水平、相对价格和汇率。
A. 消费需求
B. 投资需求
C. 政府需求
D. 净出口
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