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【判断题】
固体对气体的吸附分为物理吸附和化学吸附,这两种吸附最本质的差别是固体与气体之间的吸附作用力不同。
A.
正确
B.
错误
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【单选题】-Your mobile phone is so nice.How much is it? It __ me 2,000 yuan.
A.
took
B.
paiid
C.
spent
D.
cost
【单选题】现金流出和现金流入之和称为净现金流量。
A.
正确
B.
错误
【判断题】The video is to summarize why some people are creative.
A.
正确
B.
错误
【简答题】Summarize the usual phrases and sentence structures, and give some examples.
【单选题】现金流出与现金流入( )称为净现金流量。
A.
之和
B.
之差
C.
之代数和
D.
之积
【多选题】古代的“三军”指的是( )。
A.
B.
C.
D.
【单选题】根据记载,古代的三军指的是()。
A.
上、中、下
B.
海、陆、空
C.
前、中、后
D.
骑、步、炮
【单选题】Which of the following can best summarize Paragraph 2?
A.
Some talented children can learn to do things promptly.
B.
In most cases, children have great difficulty communicating meaningfully.
C.
Children can learn to do various things if they get a proper chance.
D.
Adults should not take children's emotions and moods for granted.
【简答题】同一时点上现金流入量与现金流出量之( )称为净现金流量。
【单选题】How many percent of growth rate for mobile retail commerce is significantly higher than the growth rate for mobile phone penetration?( )
A.
61%
B.
71%
C.
81%
D.
91%
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