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【判断题】
感光火灾探测器是探测燃烧释放的可见光，从而发现火灾的A.
正确
B.
错误
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举一反三
【单选题】Obesity is a major issue around the world, and as more and more people put on excess weight it is a problem that is only likely to get worse. In the UK it is estimated that one in five men and a quart...
A.
One in five.
B.
One in ten.
C.
One in fifteen.
D.
One in twenty.
【简答题】( 一元线性回归 难 ) 下列经济变量之间可以采用回归分析的有 A 、财政支出与财政收入 B 、家庭消费支出与收入 C 、货币需求与利率 D 、农作物产值与农作物种植面积 E 、商品销售额与销售量、销售价格A.B.C.D.E. E
【简答题】Stress sufferers can put on or lose (weigh) over short periods of time.
【简答题】He complained that drinking beer would make him put on (weigh) _________.
【简答题】用所给单词的适当形式填空。 1. They are going _______ (jog) now. 2. He has put on_______ ( weigh) after he was over 40 years old. 3. After_______ (retire) , my grandfather wants to travel around the world. 4. The...
【简答题】He's put on ___________ (weigh) again after he gave up smoking.
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