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【简答题】
气孔开放时,水分通过气孔扩散的速度与小孔的()成正比,不与小孔的()成正比
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【单选题】If only I___ hard in the past few months! But I didn’t work hard enough and failed the maths examination.
A.
work
B.
worked
C.
have worked
D.
had worked
【简答题】I had always _____________ upon the children that if they worked hard they would succeed in life. The children's future is always _____________ in my mind. The author wrote three thank-you letters to ...
【简答题】是在编制预算时,预先估计到计划期内业务量可能发生的变化,编制出一套能适应多种业务量的费用预算,以便能反映在各种业务量的情况下所编制的一种预算。
【单选题】Why not ( )at the back door?
A.
try knocking
B.
try to knock
C.
to try knocking
D.
to try to knock
【简答题】WORD BANK flat academy theater process maybe This morning, I walked down the hall to the field. It was time to get ready for the big soccer ! My school was playing against a priva...
【单选题】Why is the dark part of the moon not completely black?
A.
The earth throws back sunlight on to the moon.
B.
The sun shines on the moon's surface.
C.
The moon throws back the light from the sun.
D.
The moon has light of its own.
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