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【单选题】
关于高压气体钢瓶使用的下列说法中,错误的是( )。A.
高压气体钢瓶应于容器上明显标示图示、成份、危害注意事项等信息
B.
高压气体钢瓶应置于通风良好的场所、隔离热源并避免日光照射、温度保持于 40℃ 以下
C.
各类高压气体钢瓶的减压阀可以通用
D.
高压气体钢瓶放置时需有安全固定措施或置于气瓶柜中，以防地震时发生危害且放置场所应明确标示
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举一反三
【单选题】What is the author's main purpose in writing this passage?
A.
To criticize banks that now indulge people to spend insensibly.
B.
To analyze causes of American economic crisis.
C.
To raise people's consciousness of prudent spending.
D.
To call for American leaders to learn from nation builders.
【简答题】What is a thesis statement in academic writing?
【单选题】What is the authors purpose in writing the passage?
A.
To instill confidence in the young about raising children.
B.
To advise couples to think twice before having children.
C.
To encourage the young to take care of the elderly.
D.
To appeal for tax reduction for raising children.
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