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【单选题】
点M(1,2,3)关于xoy面的对称点为A.
(1，2，-3)
B.
(1，-2，-3)
C.
(-1，-2，-3)
D.
(-1，-2，3)
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反馈参考答案：
举一反三
【判断题】No matter how small a problem is, dealing with it involves the same steps.
A.
正确
B.
错误
【单选题】No act of kindness, no matter how small, is ___ wasted. (Aesop)
A.
never
B.
ever
C.
forever
D.
whenever
【单选题】A ______ from every person, no matter how small, will help the Red Cross reach the goal of $ 100,000.
A.
contract
B.
contribution
C.
concentration
D.
construction
【简答题】英译汉 : 1 parallel lines will never meet no matter how far extended 2 any dog bite, no matter how small, needs immediate medical attention
【单选题】Any work performed by the body, no matter how small the amount, ______energy, whether one is at work or asleep.
A.
spends
B.
expends
C.
takes
D.
costs
【单选题】建立( ),就是要探索生态产品价值的实现形式,探索“绿水青山就是金山银山”的具体实现路径。
A.
市场化、多元化生态补偿机制
B.
“一控两减三基本”目标
C.
单一供给机制
D.
生态文明建设
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