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【单选题】
训练中,早晨,血尿素逐日上升,说明A.
运动量小，对机体刺激不大
B.
运动量过大，身体不能适应
C.
运动量大，但身体能够适应
D.
以上说法都不对
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【简答题】reading light switch
【单选题】Light levels are carefully controlled to fall within an acceptable level for______ reading convenience.
A.
intentional
B.
ideal
C.
obligatory
D.
standard
【简答题】reading light
【单选题】How do you choose proper lighting for your reading in the library?
A.
The light should cover most areas in the room.
B.
The light should come over your shoulder.
C.
The light should not be brighter than other lights in the room.
D.
The light should only focus on the smallest text.
【简答题】This is the ______________ for ceiling light and that one is for reading light.
【简答题】Reading comprehension. The sun is the largest source of light. We know that life on the earth depends on the heat of the sun. But the light of the sun is as necessary to life as its heat. Another impo...
【单选题】This is the ______________ for ceiling light and that one is for reading light.
A.
switch
B.
sword
C.
swatch
D.
shift
【简答题】在文字工具属性栏中,可以设置文字的( )、( )、( )。
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