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【单选题】
下列物质中互为同分异构体的是( )。 A、乙醇和乙醛； B、苯酚和甲苯； C、乙酸和乙醛； D、丙酮和丙醛A.
乙醇和乙醛
B.
苯酚和甲苯
C.
乙酸和乙醛
D.
丙酮和丙醛
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【单选题】She was full of pity __________ the little boy with no one to love and care for him.
A.
with
B.
in
C.
for
D.
on
【简答题】achieve fame for one's wit, wisdom and civic duty
【单选题】Water is very important for us and no one can live ______________ it.
A.
without
B.
besides
C.
except
D.
with
【单选题】As used in the passage, the word 'gargle' means______.
A.
to wash one's mouth and throat with a liquid in motion by breathing through it
B.
to eat something with a continuous and often audible action of one's jaws
C.
to bite and work in the mouth with one's teeth, especially to make it easier to swallow something
D.
to cause or allow something, especially food or drink, to pass down one's sore throat
【单选题】______ Roman mythology, god Jupiter was accepted as the most powerful one.
A.
Like
B.
For
C.
With
D.
In
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