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【单选题】
力量由三种因素产生,其中不包括( )A.
主动肌的最大收缩力
B.
主动肌和对抗肌、中立肌、支持肌的协同作用力
C.
肌肉的牵拉角度及每个杠杆的阻力臂和力臂的相对长度
D.
肌肉中白肌纤维的比例
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举一反三
【单选题】—_____ you have bought me! —I got them at the market. [ ]
A.
What a big fish
B.
How a big fish
C.
What big fish
D.
How big fish
【判断题】The big fish were very regretful because they didn’t listen to the little fish’s advice.
A.
正确
B.
错误
【简答题】Ah Q is a successful literary ________ by Lu Xun.
【单选题】Passage Five The Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern Pikes live in Lake Davis. They are killing all the smaller ...
A.
Fishermen will be poisoned too.
B.
The poisons are expensive.
C.
They think that wells will be polluted.
D.
The lake will become unsafe.
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