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【单选题】
酵母收获量与麦汁成分和麦汁中的 有关A.
含水量
B.
二氧化碳
C.
含氧量
D.
湿度
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【单选题】Since the 1950's, literary critics have attempted to answer the question: When did children's literature first emerge as a distinct literary genre?
A.
improve
B.
appear
C.
conform
D.
respond
【简答题】Singing had always been an important part of Gloria Estefan’s life. “Since I was three years old, I sang. I sang everything,” Gloria said. “Cubans,” she added, “are a musical people”. Gloria was born ...
【单选题】The happy student was singing ____ he was going home. [ ]
A.
until
B.
as
C.
since
D.
and
【单选题】The following statements are true about the loss of the Arctic ice EXCEPT that ______
A.
the loss of the Arctic ice will affect both animals living there and all human beings
B.
the loss of the Arctic ice will make us feel warm in summer and cold in winter
C.
the Greenland Ice Sheet will melt and lose mass
D.
the Arctic ecosystem will become disordered
【简答题】已知函数f（x）= lo g 2 1+x 1-x ． （1）求函数f（x）的定义域； （2）判断函数f（x）的奇偶性，并证明； （3）判断函数f（x）在定义域上的单调性，并用定义证明．
【简答题】英汉互译。 1. listen to __________ 4. 关掉 __________ 2. turn up __________ 5. 中国音乐 __________ 3. turn on __________ 6. 另一个节目 __________
【简答题】forms slowly beneath other types of ice __________
【简答题】已知函数f（x）=2 x -2 -1，求函数f（x）的定义域与值域。
【简答题】I’m good at singing. I’ve been interested in music and dreamed of become a singer ever since my childhood. My parents began to teach me children’s songs until I was only three. After I started school ...
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