综合填词: Whichisthemostusefulthingforus?Ofallthethingswe...
问题详情:
综合填词:
Which is the most useful thing for us? Of all the things we eat and drink, water is the most i 1 . Not many p 2 understand this, but it is quite t 3 . The human body can go w 4 food for a long time, but two or three days without water usually make people d 5 . Many people do not understand how much water the human body n 6 to work well and they do not drink enough water, especially in hot w 7 . Must people drink only when they want to drink? But in fact they often need m 8 water especially when they have had s 9 A man’s body is 65 to 75 percent(百分比)water. If we do not have enough water, we feel tired and may become i 10 .
【回答】
1. important 2. people 3. true 4. without 5. die
6. needs7. weather8. more 9. sport 10. ill
知识点:单词拼写
题型:阅读填空
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问题详情:我国的汽车工业正在飞速发展,一辆现代轿车,从动力到小小的天线都与物理学有关,某国产新型轿车,在平直公路上行驶时,当车速为36km/h时,制动后滑行距离为10m。则轿车所受的制动阻力大小是其轿车重力大小的倍数为(g=10m/s2) A.0.10 B.0...
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已知(1+ɑx)(1+x)5的展开式中x2的系数为5,则ɑ=( )A、-4 B、-...
问题详情:已知(1+ɑx)(1+x)5的展开式中x2的系数为5,则ɑ=( )A、-4 B、-3 C、-2 D、-1【回答】D知识点:计数原理题型:选择题...
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某班抽取6名同学进行体育达标测试,成绩如下:80,90,75,80,75,80.下列关于对这组数据的描述错误的...
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下列反应的离子方程式正确的是( )A.在碳**镁溶液中加入足量Ca(OH)2溶液:Mg2++2HCO3-+C...
问题详情:下列反应的离子方程式正确的是( )A.在碳**镁溶液中加入足量Ca(OH)2溶液:Mg2++2HCO3-+Ca2++2OH-=MgCO3↓+CaCO3↓+2H2OB.电解饱和食盐水:C.过量的铁与浓**反应: Fe+6H++3NO3-=Fe3+十3NO2↑+3H2OD.向硫*铝铵[NH4Al(SO4)2]溶液中滴加足量Ba(OH)2溶液 NH4++Al...
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