There may be frequent use of facts and figures or other______.
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The writer may adopt a particular_______or develop an_____within the text.
There may be claims expressed in_______language eg may, might, seems, possibly etc.
There is likely to be evidence of________thinking.
散热器是以对流和辐射两种方式向室内散热的设备。
A. 对
B. 错
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