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【单选题】
草酸钠(Na2C2O4)在酸性溶液中还原1/5 mol/L的KMnO4需质量为其摩尔质量的()。A.
2倍
B.
0.5
C.
0.2
D.
5倍
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【简答题】She can't take part in your wedding ceremony because she has got ( ) fever.
【简答题】党员如果没有正当理由，连续十二个月不参加党的组织生活，或不交纳党费，或不做党所分配的工作，就被认为是自行脱党。(判断题)
【单选题】Dr. Grey has become _______ since she got the part-time teaching job at the school.
A.
busier
B.
busy
C.
busily
D.
too busy
【单选题】Lucy worked as a part-time tour guide during the holiday,______she got 2, 000 yuan a month.
A.
or
B.
also
C.
and
【单选题】Lucy worked as a part-time tour guide during the holiday,___ she got 2000 yuan a month.
A.
also
B.
and
C.
for
【多选题】关于计算机网络的分类，下列说法正确的是（）。
A.
按覆盖范围：分为局域网、广域网、城域网
B.
按网络拓扑结构：分为星型网、总线型网、环型网、树型网等
C.
按传输介质：双绞线网、同轴电缆网、光纤网、无线网
D.
按数据传送的方式：分为交换网、广播网
【单选题】Last year, she took part in the entrance examination and got the first place. , she began her college life.
A.
Because
B.
However
C.
Subsequently
D.
Hardly
【单选题】Lucy worked as a part-time tour guide during the holiday, _____ she got 2,000 yuan a month.
A.
also
B.
and
C.
or
【单选题】She played this part so well. ___ she got the first golden medal for her performance.
A.
Even so
B.
As a result
C.
Instead
D.
And yet
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