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【单选题】
下列不同馏分可以用单体烃表示其组成的有( )
A.
汽油
B.
煤油
C.
润滑油
D.
减压渣油
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参考答案:
举一反三
【判断题】sp 2 杂化是指1个s电子和2个p电子进行杂化。(    )
A.
正确
B.
错误
【单选题】在MVC模式中,核心内容为( )。
A.
model
B.
control
C.
view
D.
不确认
【单选题】Mr.Smith has bought a lot of books for his daughter,__________he?
A.
hasn’t
B.
didn’t
C.
doesn’t
【单选题】I bought a lot of gifts for my family, but he bought_____ .
A.
something
B.
anything
C.
nothing
【单选题】在MVC模式中,核心内容为 ( )。
A.
view
B.
control
C.
model
D.
不确定
【单选题】His uncle died and ________ him a lot of money, with which he bought an expensive car.
A.
left
B.
had
C.
gave
D.
put
【单选题】在MVC模式中,核心内容为( )。
A.
View
B.
Control
C.
Model
D.
以上三点都是
【单选题】He saved a lot of money___he bought a new house for his marriage.他攒了很多钱因此买了结婚用的新房。
A.
so
B.
as
C.
unless
D.
though
【单选题】He bought some books in the bookstore and his father________ him a lot of money.
A.
gives
B.
will give
C.
ought to give
D.
must have done
【单选题】If he ___ the money, he ___ a lot of clothes. [     ]
A.
has; will buy
B.
had; bought
C.
had; would buy
D.
had; will buy
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