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【单选题】
植物根部吸水主要发生于A.
分生区
B.
根冠
C.
根毛区
D.
内皮层
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皮皮学刷刷变学霸
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【简答题】11111111111111111
【单选题】The _______ of children in our class have brown eyes; only three have blue eyes.
A.
number
B.
vast
C.
majority
【单选题】In the eyes of the author, an odd phenomenon nowadays is that ______.
A.
religious people are not necessarily virtuous
B.
looking slim is a symbol of having a large fortune
C.
being thin is viewed as a much desired quality
D.
the Duchess of Windsor is regarded as a woman of virtue
【单选题】船舶旋回圈中的旋回直径是指__。
A.
自操舵起,至航向改变90°时,其重心在原航向上的横向移动距离
B.
自操舵起,至航向改变180°,其重心在原航向上的横向移动距离
C.
自操舵起,至角速度达到最大时,旋回圈的直径
D.
自操舵起,至角速度达到常量,旋回圈的直径
【单选题】【单选】 船舶旋回圈中的旋回直径是指
A.
自操舵起，至航向改变 90 度时，其重心在原航向上的横向移动距离
B.
自操舵起，至航向改变 180 度时，其重心在原航向上的横向移动距离
C.
自操舵起，至角速度达到最大时，旋回圈的直径
D.
自操舵起，至角速度达到常量时，旋回圈的直径
【单选题】It is known to us that doing eye exercises ________ our eyes, and that is to say, our eyes can _
A.
29. It is known to us that doing eye exercises ________ our eyes, and that is to say, our eyes can ________ doing eye exercises. A．benefits; benefit from
B.
benefits to; benefit
C.
benefits from; benefit
D.
benefits; be benfited from
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