My grandpa has been enjoying good health ever since he _______ smoking.

A． stops B． stopped

C． has stopped D． had stopped

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閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。

A glass a day keeps obesity at bay．Alcohol has always been thought to cause weight gain because of its high sugar content, but new research suggests a glass a day could form part of a diet．Looking at past studies they found that, while heavy drinkers do put on weight, those who drink in moderation can actually lose weight．

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The group says alcohol provides calories that are quickly absorbed into the body and are not stored in fat, and that this process could explain the differences in its effects from those of other foods．They agree that future research should be directed towards assessing the roles of different types of alcoholic drinks, taking into consideration drinking patterns and including the past tendency of participants to gain weight．

For now there is little evidence that consuming small to moderate amounts of alcohol on a regular basis increases one’s risk of becoming obese．What’s more, a study three years ago suggested that reveratrol, a compound present in grapes and red wine, destroys fat cells．

1.The passage is mainly for those ______．

A． who produce wine

B． who are eager to lose weight

C． who go on a diet

D． who have a drinking habit

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B． Because it is rich in sugar．

C． Because it changes drinking patterns．

D． Because it increases the risk of diabetes．

4.What can we learn from the passage?

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B． Resveratrol is proved to increase the risk of becoming fat．

C． The research found moderate drinking has a strong protective effect．

D． Current data clearly show that moderate drinking increases weight．

5.What is most likely to be discussed in the paragraph that follows?

A． How to do some easy experiments．

B． How to prove the finding mentioned above．

C． How to make wine in a healthy way．

D． How to reduce the calories contained in wine．

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May I have your attention, please?

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