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【单选题】
9 的平方根是A.
3
B.
±3
C.
-3
D.
9
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【简答题】My grandson, Daniel, and I have always been very close. When Daniel’s father remarried after a divorce, Daniel, who was eleven, and his little sister, Kristie, came to live with us. My husband and I w...
【简答题】Dialogue 3 Vocabulary 1 s ti ck it out: to continue till the end of a difficult or unpleasant situation 2 s p ark / spa:/ v . to cause the start of something, especially an argument or fighting 3 drag...
【简答题】提高盐浓度可使DNA分子的熔点(T m )升高。( )
【单选题】But they raise the specter of how reliant we are on our phones-and how much influence phones have in our social lives.
A.
dependent
B.
form; make up
C.
understand
D.
make the most of
【简答题】在Java中,以下程序段能正确为数组赋值的是( )。A. int a[]={1,2,3}; B. int b[3]={1,2,3}; C. int c[]; c=new int[3]{1,2,3}; D. int d[]; d=new int[]{1,2,3};
【单选题】The specter of divorce was always on her mind that Rosalie could hardly go to sleep at night.
A.
scarcity
B.
scare
C.
scary
D.
scarce
【简答题】Chomsky initiated the distinction between______and performances.
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