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【单选题】
听力原文:John ran a hundred meters in 13 seconds.
A.
B.
C.
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参考答案:
举一反三
【判断题】在纯电容电路中,电流与电压的相位关系为:电流超前于电压90°。
A.
正确
B.
错误
【简答题】平键的两侧面为工作面,楔键的 表面为工作面。
【单选题】Dictionaries have to change _____ languages change. [     ]
A.
when
B.
with
C.
as
D.
what
【简答题】Life is full of change, and this leads to growth. Change is what keeps our lives moving, and allows us to achieve what we desire and deserve. Like it or not, we need to be willing to go with the flow,...
【判断题】在纯电容电路中,电流与电压的相位关系为:电流滞后于电压90°。
A.
正确
B.
错误
【单选题】What will the present change depend on?
A.
Technological innovation in this domain.
B.
What social and cultural changes will take place.
C.
Whether consumers greet this change with enough enthusiasm.
D.
The changes concern many aspects.
【单选题】1945年之时,美国已经有()位诺贝尔奖得主。
A.
14
B.
15
C.
20
D.
25
【简答题】The twentieth century saw great change. In your opinion, what is one change that should be remembered about the twentieth century? Write an essay of about 400 words to state your opinion. In the first...
【简答题】肾单位袢由 ________________ 、 ____________ 和 ____________ 构成。
【判断题】在纯电容单相交流电路中,电流与电压的相位关系是电流超前电压π/2。
A.
正确
B.
错误
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