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【简答题】
关于黑体辐射的维恩公式、-金斯公式、克公式，下面说法正确的是：
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【单选题】Although many factors affect human health during periods in space, weightlessness is the dominant and single most important one. The direct and indirect effects of weightlessness lead to a series of r...
A.
many factors
B.
the dominant and single movement
C.
jerking the bodies back and forth
D.
losing the dependence of gravity
【判断题】In an open trading system, a country will import those commodities that it produces at relatively low cost while exporting commodities that can be produced at relatively high cost.
A.
正确
B.
错误
【单选题】The human body feels comfortable when the humidity is about( )
A.
40%-60%
B.
40%-60%
C.
30%-60%
【单选题】Choose the expressions that correctly define the Matrix from the following choices
A.
dream world created by computer neural-interactive simulatiom what a person feels through the five senses
B.
1.dream world created by computer 2. neural-interactive simulatiom
C.
a way of extracting energy from the human body a kind of virtual reality a way of control
D.
both B and C
【简答题】Complete the following dialogues with the words in the box. enjoy, sports, would, strength, often, spend, 1. A: So what’s your favorite ? B: I usually play football on Wednesday. A: Why do you like fo...
【简答题】Almost everyone considers going on a diet sometime in his or her life. All, regardless of and age, have something in common- -losing weight and losing it fast. Though their common aim may seem bas...
【单选题】The human body feels comfortable when the humidity is about( )
A.
40%-60%
B.
40%-80%
C.
30%-60%
相关题目：
【单选题】The human body feels comfortable when the humidity is about( )
A.
40%-60%
B.
40%-60%
C.
30%-60%
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