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【多选题】
总能在体内转化过程中所损失的能量有（）A.
粪能、尿能
B.
气体能
C.
体增热
D.
维持净能
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皮皮学刷刷变学霸
举一反三
【单选题】Miss Li ___ as a secretary for five years in the company, and now she is general manager of it.
A.
has served
B.
had served
C.
served
D.
serves
【单选题】Suppose are two distinct particular solutions of the non-homogeneous linear equation . How many judgments in following are correct? (i) is general solution (ii) is general solution (iii) is general ...
A.
0
B.
1
C.
2
D.
3
【单选题】Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.
A.
serves
B.
served
C.
has served
D.
had served
【简答题】财政政策对增加均衡国民收入效果较好的条件是什么？
【简答题】交流工频安全电压的上限值是指在任何情况下,两导体间或任一导体与地之间的电压都不得超过()V。
【简答题】财政政策对增加均衡国民收入效果较好的条件是什么?
【单选题】Choose the right structure of the computer which is general used，such as PC8086，Z-80， IBM360/3
A.
Single Instruction Single Data
B.
Single Instruction Multiple Data
C.
Multiple Instruction Single Data
D.
Multiple Instruction Multiple Data
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