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【简答题】
设在海拔xm处的大气压强是yPa，y与x之间的函数关系为y＝ce kx ，其中c、k为常量．已知某天的海平面的大气压为1.01×10 5 Pa，1000m高空的大气压为0.90×10 5 Pa，求600m高空的大气压强．(保留3位有效数字)
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【简答题】done to call in beat up wind up trial and error at all costs Don’t ____ yourself __ over something that you have no control over.
【简答题】修长的;细长的;苗条的;微小的;微薄的
【单选题】Don’t _________ if things go wrong.
A.
set yourself up
B.
get yourself up
C.
beat yourself up
【单选题】Don’t beat yourself up if things go wrong because they will.The underlined words mean:
A.
raise yourself up
B.
blame yourself too much
C.
beat others
D.
hit yourself on the head
【简答题】Fill in the blanks with the expressions given below. Change the form where necessary. down to call in beat up wind up trial and error at all costs Don’t ____ yourself __ over s...
【单选题】Don’t ____ yourself _____ over something that you have no control over.
A.
call...in...
B.
beat...up...
C.
wind...up...
D.
down...to...
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