There are various reasons why cancers appear to be on the increase. For one thing, though their sufferers are to be found in all age groups, cancers are particularly likely to attack persons in their middle and advanced years. Naturally, since people live longer these years, there are more cancer sufferers than before. Again, with better methods of diagnosis (診斷), doctors can more easily recog??nize cancerous growths that would formerly have passed unnoticed or that would have been wrongly di??agnosed. It is also believed that certain habits and conditions of modem living, including heavy smok??ing and the pollution of the air, may leave people living in more cancer-causing conditions than before.
We all look forward to the day when a simple medical test can find cancer while it is still small. Researchers around the world are working on such a test. Most of their work deals with the examina??tion of the blood.
Researchers in Boston have found something in the blood of cancer patients that does not appear in healthy persons. The test showed which persons had cancer and which did not. It was correct more than 90 percent of the time.
The researchers believe the test may be able to show cancer very clearly in its development. Cancers discovered early usually can be treated successfully.
The test examines very small bits of fat in the blood called lipids (脂質(zhì)). Cancers seem to change lipids although doctors do not know why. The test showed differences between the lipids of the persons with cancer and the lipids of those without cancer.
The researchers say the new test could be a step to develop a simple way to check patients for cancer before the disease shows on an X-ray.
1. Who will fail cancer from the study of the researchers?
A. The young. B. The middle age and the older.
C. The man. D. The woman.
2. The underlined words "such a test" refer to________.
A. the test that shows which persons have cancer and which don’t .
B. the test that may be able to show cancer very early in its development,.
C. a simple medical test that cannot find cancer when it is -small
D. a new test that could be a step to develop a difficult way
3. Which of the following statements is true according to the passage?
A. Cancers have much to do with something in patients’ blood.
B. People living in better conditions are most likely to be attacked by cancer.
C.X-raying is the best way to determined whether a person has cancer or not.
D. Cancers have nothing to do with a person’s habits and living conditions.
4. What would be the best title for the passage?
A. A simple way to cancer B. Cancers can be cured
C. How to find cancer D. Early discovery of cancer
1-4 BBAD
1. 細(xì)節(jié)題。從第一段中的cancers are particularly likely to attack persons in their middle and advanced years可以知道癌癥尤其容易在中年人和老年人的身體上發(fā)生。
2. 詞義題。第二段中的a simple medical test can find cancer while it is still small；test與后面的such a test指的是同樣的一種方法，所以這里的test指的是上句的“用最簡(jiǎn)單的方法診斷早期的癌癥”。
3. 細(xì)節(jié)題。第三段中提到了cancer病人血液中的有些東西在健康人中沒(méi)有，并且百分之九十以上的情況是這樣的。B項(xiàng)與D項(xiàng)的意思與文章第一段中的certain habits and conditions of modern living including heavy smoking and pollution of the air may leave people living in more cancer-causing conditions不符；C項(xiàng)內(nèi)容與文章最后一段的意思不符。
4. 主旨題。文章在開頭就交代了寫作的目的，有各種不同的理由說(shuō)明了為什么癌癥似乎在上升，而從后面的幾段我們知道科學(xué)家們正在研究一種新的早期診斷cancer的方法。
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( ) 1. A. its B. it’s C. all D. other
( ) 2. A. cause B. lead C. result D. bring
( ) 3. A. lightly B. slightly C. seriously D. heavily
( ) 4. A. all B. any C. no D. both
( ) 5. A. goes B. spreads C. comes D. happens
( ) 6. A. to infect B. infecting C. infected D. infect
( ) 7. A. off B. away C. out D. in
( ) 8. A. To prevent B. To protect C. To prepare D. To prefect
( ) 9. A. wash B. washing C. to wash D. washed
( ) 10. A. free B. available C. useful D. helpful
( ) 11. A. assistance B. resistance C. consistence D. preference
( ) 12. A. monthly B. weekly C. daily D. yearly
( ) 13. A. pieces B. states C. conditions D. cases
( ) 14. A. developed B. developing C. big D. small
( ) 15. A. lose B. losses C. loose D. lost
( ) 16. A. For B. Because C. While D. Whether
( ) 17. A. / B. which C. do D. who
( ) 18. A. Little B. Much C. Few D. Lot
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B．has lived there for seventeen years
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A. Places in mountainous areas were difficult to reach.
B. It took the couple 12 days to drive to Turkey.
C. The Turkish drivers had good manners.
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