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【多选题】
下列几组用半透膜隔开的溶液,在相同温度下水从渗透的是A.
3%的C6H12O6|半透膜|2%的NaCl
B.
0.050mol·kg-1的NaCl|半透膜|0.080mol·kg-1的C6H12O6
C.
0.050mol·kg-1的尿素|半透膜|0.050mol·kg-1的蔗糖
D.
0.050mol·kg-1的MgSO4|半透膜|0.050mol·kg-1的CaCl2
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举一反三
【单选题】Sarah shook her head ________ as she realized she would not get the chance to study further in the university.
A.
in detail
B.
in spite of
C.
in despair
D.
in contrast
【单选题】She shook her head_________.
A.
take charge
B.
muddle through
C.
no doubt
D.
in disbelief
【简答题】Directions: Choose the words below and fill in the blanks. in disbelief // complain // issue // find my way // misguided // incidents // crushed // inevitable// accompanied // reflecting on // let go ...
【简答题】She shook her head _____. (短语) 她难以置信地摇了摇头。
【简答题】She nodded and shook her head at the right places. ________ she understood what the philosopher was talking about.
【简答题】II . Supply the missing attitude words or expressions in the following sentences. Working in groups of two or three, choose the most appropriate from the list given above. More than one answer might b...
【简答题】阅读理解专练 ( 1 ) [A] It all started at the beginning of Grade Nine. At first, Carmen wasn't really sure what was happening. In class, she had to squint ( 眯着眼睛看 ) to see the blackboard clearly. Her teacher...
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