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问题
选择题
It's very kind
you
lend your bike to me. [ ]
A. of, to
B. for, in
C. for, to
D. of, in
答案
答案:
A
解答题
直接写出得数:
36+79=
15÷1%=
9.1-1.9=
7.2÷0.6=
1+30%=
1
2
+
5
7
=
0.5
2
=
9π=
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名词解释
调制跟踪
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