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【单选题】
存在0~6的原始反射是A.
觅食反射
B.
上肢移位反射
C.
侧弯反射
D.
拥抱反射
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反馈参考答案：
举一反三
【判断题】Hemoglobin exists in two interchangeable structural states, T and R. The T state is most stable when oxygen is bound. Oxygen binding promotes transition from the T to the R state.
A.
正确
B.
错误
【判断题】With regard to pe rs onality, they thought that gaijin were “outgoing”. “outgoing” usually mea ns energetic, young, and talkative.
A.
正确
B.
错误
【单选题】3 which of the following is not a standard for this beauty competition
A.
skin color
B.
living style
C.
Pretty face
D.
Pers onality
【单选题】对于 双金属片式热 继电器, 下列说法不正确的是( )
A.
可用于三相交流电动机的短路保护、过载保护等
B.
其 双金属片 是由两种热膨胀系数不同的金属 碾压而成
C.
接 于电动机控制回路的触点常用常闭触点
D.
使用时其 热元件 常与 电动机的定子绕组串接
【单选题】When you make eye contact, it connects with the audience because:
A.
They become engaged
B.
They don't want you to stare at them
C.
It shows you are real
D.
When you make eye contact, you make a friend
【单选题】______ is not a job of the radar antenna．
A.
To receive the high-frequency pulses from the transmitter
B.
To focus the pulses into a beam，and send them into space
C.
To pick up reflected pulses coming from objects that have been struck by the beam
D.
To reflect microwaves
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