According to the author, economists were confused because______.
A.people"s behavior. was disorderly on the Titanic
B.people did not act in their own interest on the Titanic
C.most men did not act in their own interest on the Lusitania
D.women and children could not climb into the lifeboats
第1题
Which of the following is an appropriate tide for this passage?
A.Can Beer Help You Live Longer?
B.Can Coffee Help You Live Longer?
C.Can Wine Help You Live Longer?
D.Can Tea Help You Live Longer?
第2题
The word "mixed" in the first paragraph means "______".
A.both good and bad
B.put together
C.both sharp and soft
D.confused
第3题
According to the author, scientists______.
A.have already proved that coffee is good for human health
B.have a long way to go before they find a way to study coffee
C.have avoided the cause-and-effect approach to study coffee
D.are still unable to figure out why coffee is good for us
第4题
According to the passage, which of the following is TRUE?
A.Freedman and his colleagues hired 400,000 Americans to collect data.
B.About four hundred thousand Americans worked for Freedman"s team full time for 13 years.
C.People who took part in Freedman"s research are about 50 to 70 years old.
D.People who are 50 to 70 years old seldom drink coffee.
第5题
.You should write no less than 120 words and base your composition on the outline below:
1.描述上图所示的手机用户数的变化情况 2.出现这种情况的原因 3.对此现象作出评价
第8题
【C8】
A.By the way
B.To his way
C.On his way
D.In the way
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