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完形填空 Water is the 1 of all the things we eat and drink. Not many people understand this but 2 quite true. The human body can go without 3 for a long time. We've got many examples for this. Yet two 4 three days without water can usually make people 5 . Man can't live 6 water. A lot of people don't understand how 7 water the human body needs to work well, and many people, especially young people, do not drink enough, 8 in very hot weather. Our body has mostly water, about 65% to 75%. That is to say about two thirds of our body 9 water. When we do sports, some of the water will get away from our body. 10 we don't drink some water, we won't have enough water. And if we don't have enough water, we'll feel tired and many of us will get ill. So you know how important water is to us. (     )1. A. important (     )2. A. it's (     )3. A. food (     )4. A. so (     )5. A. to die (     )6. A. have (     )7. A. many (     )8. A. even (     )9. A. is (     )10.A. If B. most important B. its B. water B. and B. die B. with B. much B. ever B. are B. For C. more important C. it C. drink C. but C. to died C. without C. little C. almost C. have C. Since D. importance D. is D. meat D. or D. died D. in D. few D. hardly D. has D. Because
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【多选题】导游人员的基本职责包括
A.
接受任务,搞好推销
B.
导游讲解,传播文化
C.
解答问询,处理问题
D.
安排相关事宜,保护游客安全
E.
反映意见要求,安排相关活动
【多选题】导游人员的基本职责包括
A.
接受任务,搞好推销
B.
导游讲解,传播文化
C.
安排相关事宜,保护游客安全
D.
反映意见要求,安排相关活动
E.
解答问询,处理问题
【单选题】They ought to stop throwing rubbishes everywhere, ____________ they?
A.
oughtn't to
B.
oughtn't
C.
shouldn't
D.
aren't
【简答题】面包按照柔软度可分为
【单选题】当卫星、航天飞船、洲际导弹等空间飞行器以高超声速再入大气层返回地球时,在一定高度和一定时间内与地面通信联络会严重失效,甚至完全中断,这种现象称为( )。
A.
声障
B.
黑障
C.
热障
D.
气动异常现象
【单选题】组成装配尺寸链至少有增环、减环和 。
A.
组成环
B.
C.
封闭环
D.
装配尺寸
【多选题】导游人员的基本职责包括( )。
A.
导游人员的基本职责包括(BCDE)。
B.
接受任务,搞好推销
C.
导游讲解,传播文化
D.
安排相关事宜,保护游客安全
E.
反映意见要求,安排相关活动
【单选题】禽流感采样过程中,剪刀和镊子的消毒采用( )
A.
火焰消毒法
B.
煮沸消毒法
C.
酒精擦拭法
D.
高压灭菌法
【多选题】变质岩特有的矿物有( )。
A.
石榴子石
B.
蛇纹石
C.
绿泥石
D.
红柱石
【简答题】变质岩特有的矿物有( )。A. 石榴子石 B. 蛇纹石 C. 绿泥石 D. 红柱石
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