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【判断题】
实际电源可等效为理想电压源和电阻的串联模型。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Which of the following is the length of lectures or seminars or tutorials?
A.
1 hour.
B.
2 hours.
C.
3 hours.
D.
15 hours.
【单选题】—Are you sure Mr Bush is at home? He might still be in his office—Let's ring the_____.
A.
voice
B.
watch
C.
answer
D.
doorbell
【单选题】He might let something _____ in a moment of weakness.
A.
slip
B.
leak
C.
to slip
D.
to leak
【单选题】Which of the following integers is the closest to the value for the unit length of one leg of a triangle with hypotenuse 13,if the other leg is 7 units long?
A.
8
B.
9
C.
10
D.
11
E.
12
【简答题】休克是以机体循环系统功能紊乱,尤其是 功能障碍为主要特征,并可导致器官功能衰竭的病理过程
【判断题】The payback method focuses on the payback period, which is the length of time that it takes for a project to recoup its initial cost out of the cash receipts that it generates.
A.
正确
B.
错误
【单选题】He came home late. You _____him do that, he _______. [ ]
A.
shouldn't have let; might have got lost
B.
shouldn't let; might get lost
C.
shouldn't have let; might get lost
D.
shouldn't let; might have got lost
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