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We 　　a pleasant journey but for the rain.

A.would have　　　　　　　　B.will have

C.had had　　　　　　　　　D.would have had

解析:

本句為虛擬語氣，表示與過去事實相反的情況，but for意為“要不是……”。

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閱讀下列短文，從每題所給的（A、B、C和D）四個選項中，選出最佳選項。

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　　Vitamins are meant to improve people's anti- disease systems，and with the spread of SARS and bind flu，many Chinese are taking vitamins A,C,and E every day．

　　But some US researchers say that vitamin supplements（補充）cannot correct a poor diet，and that multivitamins havenot been shown to prevent any disease．It is also easy for highdoses（劑量）of certain vitamins and minerals to increase therisk of disease actually．

　　Experts say they are no longer concerned about the lackof vitamin．Those are almost unheard of today,even with thepopulation eating fewer fruits and vegetables．Instead，theconcern is with the dangers of vitamin excess（過量）．

　　Dr Beniamin Caballero,a member of the Food and Nutrtion Board at the US National Academy of Sciences,said thatfor some supplements,including vitamin A,the difference between the advised dose and the dose that could lead to diseaselike osteoporosis(bone disease)was not large．Popular multi-vitamins he added,often contain what could be risky dose．

　　Similar questions are being raised ahout other vitamins and minerals,particularly iron and vitamins E and C．

　　Researchers say the questions involve multivitamins taken by healthy people,not particular vitamins or minerals taken by groups with special needs．Some elderly people,for exam ple,may lack B12 because they lose their ability to absorb itfrom foods．People who spend little time outdoors may require vitamin D,which the skin makes when it is exposed to sunlight．Even when older people are in the sun,aging skin loses much of itS ability to create the vitamin．

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From the second paragraph,we can find that ________
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What do US experts mean in the third paragraph
[　　]
A．	People usually have unhealthy diet．
B．	People usually lead a hard life．
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(3)

Vitamin A,as Dr Benjamin Caballero described in the fourth paragraph,________
[　　]
A．	is dangerous for people to take
B．	is very useful to bone disease
C．	should be taken with care
D．	should be taken by a large amount

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The writer of this passage seems to suggest that we should________
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B．	have a healthy diet every day
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科目：高中英語 來源： 題型：053

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　　“Storm chasing (追逐) ” is becoming an increasingly popular hobby (喜好), especially in the Midwest of the United States, where there are frequent storms between March and July. A storm chaser begins the day by checking the Internet for the latest weather reports, and then drives up to 1 000 kilometers to where the storm will be and waits for it to develop.

　　Although anyone can do it, storm chasing is extremely dangerous. The power of a big storm can throw a cow into the air or destroy a whole house in seconds. Storm chasers are also often hurt in accidents caused by driving in a heavy rain. If you are a beginner,it is much safer to join a group for storm-chasing vacations during the storm season.

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