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【单选题】
要使发动机正常工作,火花塞绝缘体裙部的温度(自净温度)应保持在A.
80 ～ 90°C
B.
70 ～ 80°C
C.
500 ～ 600°C
D.
800 ～ 900°C
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举一反三
【单选题】以下哪项不属于睡眠卫生教育内容？（）
A.
下午五点以后，不参与过度兴奋和活跃的环境
B.
建立一套准备就寝的程序
C.
每天同一时间起床，周末也不例外，用闹钟达到目的
D.
睡前一杯咖啡
【单选题】The appeal of advertising to buying motives can have both negative and positive effects. Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For exam...
A.
stressing their high quality
B.
convincing him of their low price
C.
maintaining a balance between quality and price
D.
appealing to his buying motives
【单选题】The appeal of advertising to buying motives can have both negative and positive effects. Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For exam...
A.
stressing their high quality
B.
convincing him of their low price
C.
maintaining a balance between quality and price
D.
appealing to his buying motives
【简答题】阅读理解 The appeal of advertising to buying motives can have both negative and positive effects. Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For...
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