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【判断题】
人生的真正价值在于对社会的贡献A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】There is on Channel（频道） 3. Try others.
A.
something interesting
B.
interesting something
C.
nothing interesting
D.
anything interesting
【简答题】若行列式 . 4 5 x 1 x 3 7 8 9 . （x≠1）中，元素1的代数余子式大于0，则x满足的条件是______．
【单选题】Tom, there is________on TV tonight, let’s read books instead.
A.
interesting something
B.
something interesting
C.
interesting nothing
D.
nothing interesting
【简答题】四冲程汽油机和柴油机在总体结构上有哪些相同点和不同点?
【简答题】若三阶行列式 =0,则x=____.
【简答题】若行列式【图片】，则x=（）。
【简答题】设 若|A|的行列式等于0.则x=
【单选题】What can be inferred about job hunting?
A.
People who are well paid don't need to change jobs.
B.
People have the same motivation for changing jobs.
C.
Finding a new job is seldom on people's New Year resolution.
D.
Workers are in greater demand in January than in December.
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