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【单选题】
{如图 所示曲柄摇杆机构中,C1D与C2D是摇杆CD的两个极限位置,C1、C2通过曲柄转动中心A,该机构的行程速比系数K等于( )}A.
K=1
B.
K<1< /div>
C.
K>1
D.
K=0
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【单选题】有关基底神经节信号传递的说法不正确的是()。
A.
基底神经节的信号传出包括直接和间接途径
B.
尾核与壳核通过直接途径将信号传至苍白球内侧部后再传到丘脑复合体
C.
间接途径为尾核与壳核-苍白球外侧部-底丘脑核-苍白球内侧部
D.
直接途径与间接途径通过相互协同作用调节运动
【简答题】根据句意及首字母完成句子。 1. There is something wrong with my bike. Would you please help me f _____ it_____ ? 2. The sweater is old. We can g _____ it _____ to the charity. 3. Your parents must be p _____ of you...
【简答题】句型转换。 1. Would you please look after the bags for me?(改为同义句) Would you please _____ _____ _____ the bags for me? 2. I like to wash the plates because it's relaxing .(对画线部分提问) _____ _____ you _____ to ...
【单选题】Who are Mrs. Smith and Mrs. Jones mentioned in the first paragraph?
A.
Shop assistants.
B.
Friends of the shop manager's.
C.
Two regular customers of the store.
D.
People representing any of the regular customers of the old general store.
【简答题】A B 1). Would you like some tea? A. OK. Here you are. 2). Please help yourself to some beef. B. Sure. Orange juice or apple juice? 3). I'd like so...
【单选题】Where is Mrs. Smith most probably?
A.
At home.
B.
In a phone box.
C.
In her office.
D.
In a friend' s house.
【单选题】有关基底神经节信号传递的说法不正确的是()。
A.
基底神经节的信号传出包括直接和间接途径
B.
尾核与壳核通过直接途径将信号传至苍白球内侧部后再传到丘脑复合体
C.
间接途径为尾核与壳核-苍白球外侧部-底丘脑核-苍白球内侧部
D.
直接途径与间接途径作用方式相似,通过相互协同作用调节运动
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