A.NCI has taken effective measures
B.smoking is prevented among high school seniors
C.there are many smokers who have died of cancer
D.none of these
第1题
There are gaps in the animal life today because______.
A.some species were killed off by others
B.many species left the Galapagos Islands
C.few species reached the islands
D.South America is more than 600 miles away
第2题
A.10%
B.20%
C.25%
D.50%
第3题
第4题
A.to
B.as
C.in
D.For
第5题
第6题
A.resort to
B.attend to
C.appeal m
D.apply to
第7题
第8题
A.causal
B.capable
C.capital
D.casual
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