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【多选题】
JK触发器具有的功能有A.
置0
B.
置1
C.
保持
D.
翻转
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反馈参考答案：
举一反三
【简答题】有用的人脉关系
【简答题】Do you often go to the bank? What do you do there?
【简答题】Do you often go to gym on Mondays?
【单选题】有关人体内物质的运输的说法正确的是（ ）
A.
肺循环的作用是使静脉血变成动脉血
B.
体循环的作用是使动脉血变成静脉血
C.
动脉里的血流的最快，静脉里的血流的最慢
D.
红细胞的功能是运输氧气
【单选题】Do you often go to the gym?
A.
For ten years.
B.
I usually listen to music.
C.
Twice a month.
D.
Yes, I like it very much.
E.
No, I hardly do any exercise.
【单选题】— Do you often go to the movies at weekends？ — Not often, I only go to the cinema __________.
A.
at one time
B.
for a time
C.
at a time
D.
from time to time
【单选题】Do you often go to the gym?
A.
For ten years.
B.
Twice a month.
C.
No, I hardly do any exercise.
D.
Yes, I like it very much.
E.
I usually listen to music.
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