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【单选题】
某旋光性物质中含2个不相同手性碳原子,其旋光异构体的数量为A.
2
B.
4
C.
6
D.
8
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反馈参考答案：
举一反三
【单选题】According to the passage, what do the passengers usually see when they are on a long bus trip?
A.
Buses on the road.
B.
Films on television.
C.
Advertisements on the billboards.
D.
Gas stations.
【多选题】《琵琶行》文中第二段,白居易对音乐的描绘可谓绝唱,写作特点有以下哪几点?
A.
大量运用比喻。
B.
摹声与比喻结合。
C.
叙议结合，妙语点睛。
D.
对人生观、价值观、世界观进行了深入的解析。
【简答题】Read and retell the passage on Page 25 of PPT 阅读并复述PPT第25页短文
【简答题】在MySQL中,除了使用CREATE OR REPLACE VIEW语句修改视图外,还可以使用(__)语句来修改视图;
【单选题】She never ______ to read the news but turned at once to the crossword on the last page.
A.
indulged
B.
troubled
C.
exerted
D.
frustrated
【多选题】What channels are there for passengers to go through the Customs?
A.
Goods to Declare Channel
B.
Business Channel
C.
Staff Channel
D.
Nothing to Declare Channel
【单选题】What are the passengers forbidden to do for the full flight? A.Play computer games. B.Use the folding tables. C.Turn on their cellphones.
A.
B.
C.
C
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