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完成题:(写名称、结构式均可)
A.
环癸烷-1,6-二酮
B.
1,6-环癸二酮
C.
1-环癸酮
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【简答题】英翻汉: Good landladies- those who are superb cooks and launderers, are figures as popular in fictionas the bad ones who terrorize their guests and overcharge them at the slightest opportunity. To busine...
【简答题】测量值与真实值之间的差值称为 ,测量值与平均值之间的差值称为 。
【简答题】Fill in the blanks with the expressions given below. Change the forms where necessary. 1) Steve said he _________________ having a good job, since business was bad. 2) Muhammad Ali is widely regarded ...
【单选题】Why people who deal with a lot of numbers will be happy to use Macintosh?
A.
It is easy to carry.
B.
It is waterproof.
C.
It has a numeral keypad.
D.
It is durable.
【多选题】我国人口问题突出表现在哪些方面
A.
人口数量过大
B.
犯罪率上升
C.
管理混乱
D.
人口素质过低
E.
住房紧张
【单选题】Workers who are ( ) with their jobs perform better, are more productive and more efficient than workers who are not happy.
A.
kind
B.
happy
C.
confident
【简答题】Many stories have been told and re-told for centuries. Stories from the ______ cultures of Greece, Rome, China, and India are still popular today.2. This history book was written by a famous ______ at...
【单选题】农村居民占用耕地新建住宅的耕地占用税应()。
A.
免征收
B.
按国家规定标准征收
C.
延期征收
D.
按国家规定标准减半征收
【简答题】Who is the happy renter? who is the unhappy one?
【简答题】Who is not happy about it?
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