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【单选题】
机构组合创新方法中,联接点设在前置机构中作复杂平面运动的构件上 是属于哪种串联组合方式A.
I 型串联
B.
Ⅱ 型串联
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— Did you have trouble with your car this morning? — Yes, but I finally managed ____. [ ]
A.
to get starting it
B.
it to get started
C.
to get it to start
D.
getting started it
【单选题】关于动作电位的叙述,下列哪一项是错误的
A.
是细胞兴奋的标志
B.
其上升相是去极化的过程
C.
其下降相是复极化过程
D.
细胞接受刺激后必定产生动作电位
E.
动作电位的产生是“全或无”的
【单选题】I went through about four years of being to video games but fortunately I managed to get rid of it.
A.
added
B.
accustomed
C.
admitted
D.
addicted
【单选题】—Did you have trouble with your car this morning? — Yes, but I finally managed _______.
A.
to get it started
B.
to get it start
C.
get it starting
D.
getting it started
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