The word "detected" in paragraph 3 could be best replaced by-最需题库

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1People buy cell phones for the following reasons EXCEPT that
A.they’re popular.
B.they’re useful.
C.they’re cheap.
D.they’re convenient.
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2It can be inferred from the last paragraph that taste acuity is ________.
A.identified with certain chemicals.
B.developed over time after birth.
C.related to one’s eye and hair color.
D.genetically determined.
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3Supertasters prefer high-salt cheese because ________.
A.it is good to health.
B.it is rich in nutrition.
C.it has intense bitter tastes.
D.it tastes less bitter.
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4It is true that ________.
A.nontasters like to share salty cheese with supertasters.
B.nontasters consume more salt because they like intense tastes.
C.supertasters like the taste of saltiness to block sweet tastes in foo
D.D.supertasters like snack foods more as they contain higher levels of saltiness.
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5The fourth paragraph briefly describes______、
A.how the subjects were selected and what they were asked to do.
B.why the number of subjects was limited to 87.
C.why more male subjects were chosen than female ones.
D.how salty foods were made and distributed to the subjects in the research.
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6The salesman retired young because
A.he couldn’t remember simple tasks.
B.he disliked using mobile phones.
C.he was tired of talking on his mobile phone.
D.his employer’s doctor persuaded him to.
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7On the safety issue of mobile phones， the manufacturing companies
A.deny the existence of mobile phone radiation.
B.develop new technology to reduce mobile phone radiation.
C.hold that the amount of radiation is too small to worry about.
D.try to prove that mobile phones are not harmful to health.
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8The writer’s purpose of writing this article is to advise people
A.to use mobile phones less often.
B.to buy mobile phones.
C.to update regular phones.
D.to stop using mobile phones.
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