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【简答题】
化简： (2- 4 x+3 )? x x+1 得______．
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皮皮学刷刷变学霸
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【简答题】After the match all the players became (relax). 2. The number of teachers in this school (be) a1. After the match all the players became (relax). 2. The number of teachers in this school (be) about ...
【单选题】流脑病人脑脊液必须立即送检的原因是
A.
细菌为专性厌氧菌
B.
细菌离开人体后得不到营养
C.
细菌不能在空气中暴露
D.
细菌对寒冷、干燥极敏感，易死亡后溶解
E.
标本搁置过久容易污染
【单选题】流脑病人脑脊液必须立即送检的原因是
A.
离开人体后得不到营养
B.
专性厌氧，不能在空气中暴露
C.
对寒冷、干燥极敏感，易死亡
D.
标本搁置过久容易污染
E.
以上均不是
【单选题】From Paragraph 5 we can learn that ______.
A.
the number of segregated smokers is on the rise
B.
the number of male smokers is decreasing gradually
C.
the number of female smokers is increasing now
D.
the number of nonsmokers is larger than that of smokers
【单选题】甲建设单位与乙施工单位经平等协商，就甲发包给乙承建的工程签订了保修合同。该合同约定的保修期限具有法律效力的是（ ）。
A.
屋面防水工程的防渗漏为3年
B.
电气管线工程为2年
C.
有防水要求的卫生间的防渗漏为2年
D.
设备安装工程为1年
【简答题】Listen to news report 1 again and fill in the blanks with numbers. a. The number of students taught about the advantages of a vegan diet: (1) from(2) schools. b. The number of students offered the ch...
【简答题】Questions 1-3 Choose the correct letter, A, B or C. 1. How many people die from hunger each year? A. More than 9 million people. B. More than 6 million people. C. More than 5 million people. 2. What d...
【单选题】There _____ a great number of students over there. The number of the students ____ five thousand.
A.
are, is
B.
are, are
C.
is, are
D.
is, is
相关题目：
【单选题】流脑病人脑脊液必须立即送检的原因是
A.
细菌为专性厌氧菌
B.
细菌离开人体后得不到营养
C.
细菌不能在空气中暴露
D.
细菌对寒冷、干燥极敏感，易死亡后溶解
E.
标本搁置过久容易污染