阅读理解。
One day when some government officials were rebuilding a barn (谷仓), they found a mouse hole in a
corner and used smoke to force the mice inside the hole to come out. A while later they indeed saw mice
running out, one after another. Then, everyone thought that all the mice had escaped. But just as they began
to clean up, they saw two mice squeezing (挤) out at the mouth of the hole. With some efforts, the mice
finally got out. However, it was strange that after they came out of the hole, they did not run away immediately.
Instead, one chased after the other near the mouth of the hole. It seemed that one was trying to bite (咬)
the tail of the other.
Everyone was puzzled, so they stepped nearer to take a look. They realized that one of the mice was blind
and could not see anything, and the other was trying to allow the blind mouse to bite on his tail so that he
could pull the blind one with him to escape.
After seeing what happened, everyone was speechless and lost in thought. During the meal time, the group
of people sat down in a circle and started to chat about what happened to the two mice.
One serious American official said:"I think the relationship between those two mice was that of king and
guard." The others thought for a while and said:"That was why!"
A smart French said:"I think the relationship between those two mice was that of husband and wife."
Again the others thought for a while, and all felt it made sense.
A Japanese said:"I think the relationship between those two mice was that of mother and son." Once again
the others thought for a while, and felt this was more reasonable. So they expressed agreement another time.
At that moment, one Chinese asked:"Why did those two mice have to have a certain relationship?"
Suddenly, the group looked back at the Chinese and remained speechless. The American official, the
French and the Japanese who had spoken earlier all lowered their heads in shame, and did not dare to answer.
In fact, the true love is not built on friendship, loyalty or blood relationship. Instead, it is based on no
relationship.
1.Neither of the two mice ran away immediately because . [ ]
A.one was biting the other
B.the mouth of the hole was too small
C.they were not afraid of smoke
D.one was trying to help the blind one
2.Why did they lower their heads in shame according to the passage? [ ]
A.They did not dare to answer.
B.They had mistaken the relationship of the mice.
C.They regretted driving a poor blind mouse away.
D.They did not express themselves much better.
3.It is clear that ______. [ ]
A.all the mice came out of the hole easily
B.each of the people understood the relationship differently
C.the people wanted to kill the mice with smoke
D.the people knew one of the mice was blind at first sight
4.The best title for the passage is .[ ]
A.TWO IOVEIY MICE
B.HEIP PRODUCES LOVE
C.FRIENDS IN NEED
D.LOVE IS ALL.
Fe3+(aq)+3OH-(aq) ； ΔH=" a" kJ•mol-1
Fe(OH)3(s) +3H+(aq) △H=(3b-a)kJ·mol-1 
4Zn(NO3)2＋N2O＋5H2O，HNO3做氧化剂，但是10molHNO3里面发生化合价改变只有2mol，Zn做还原剂，所以氧化剂与还原剂的物质的量之比是1 ：2。
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