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【单选题】
将固体物质加热溶解,过滤除杂质,再冷却结晶的过程叫( )A.
结晶
B.
溶化
C.
分离
D.
重结晶
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反馈参考答案：
举一反三
【单选题】The rough draft of any research report should be edited to ______ that all data are correctly presented, that all equipments are listed, that all results are properly de-tailed.
A.
ensure
B.
assure
C.
secure
D.
insure
【单选题】In the article, the word 'rectify' in paragraph 2, line 6 is closest in meaning to
A.
correct
B.
inspect
C.
claim
D.
reimburse
【单选题】According to WTO Director-General Pascal Lamy, which of the following statements is correct?
A.
The differences are so wide that it is impossible for the members to reach an agreement.
B.
We cannot afford to take such big risks to reach an agreement.
C.
The agreement is reachable despite of wide differences.
D.
Risks have to be taken to control anti-globalization activities.
【简答题】Many language learners think their pronunciation is good enough because their teacher doesn’t correct them too often or because other students can 36 them. Pronunciation is the area which is 37 the le...
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