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【多选题】
Read the following concluding paragraph and decide the methods it used. ( Title: Drug addiction in the United States ) ( Introduction ) The non-medical use of certain drugs is forbidden in the United States because they can be dangerous. Many Americans, however, still use drugs illegally without a doctor’s permission. ( Thesis statement ) In fact, the abuse of drugs has become one of America’s most serious social problems. ... ( C onclusion ) In the United States drugs have destroyed many of the young people’s mind and ruined their bodies, and the situation is not getting any better. Drug addiction has resulted in many a destroyed career, expulsions from school or college, or years in prison. Clearly, using illegal drugs is a losing proposition.A.
Universalize
B.
Suggest results or consequences
C.
Ask a provocative question
D.
End with a warning
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举一反三
【简答题】已知 ，且x是第二、三象限角，则a的取值范围是_____ ___
【简答题】若角α为第二象限角，点P（m-3，m+2）是角α终边上的一点，则m的取值范围是______．
【简答题】已知α是第二象限角，且|α+2|≤4，则α的取值范围是______．
【单选题】若β是第二象限角,则角β的范围是( )
A.
360°×k < β < 360°×k+90°
B.
360°×k+90° < β < 360°×k+180°
C.
360°×k+180° < β < 360°×k+270°
D.
360°×k+270° < β < 360°×k+360°
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