涉及全文段1：①It is a wise father that knows h

2024-08-20 10:28:35

111

涉及全文

段1：①It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—or at least confirm that he’s the kid’s dad. ②All he needs to do is shell out $30 for a paternity testing kit (PTK) at his local drugstore—and another $120 to get the results.

段2：①More than 60,000 people have purchased the PTKs since they first became available without prescriptions last year, according to Doug Fogg, chief operating officer of Identigene, which makes the overthe-counter kits. ②More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2,500.

段3：①Among the most popular: paternity and kinship testing, which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption. ②DNA testing is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family’s geographic roots.

段4：①Most tests require collecting cells by swabbing saliva in the mouth and sending it to the company for testing. ②All tests require a potential candidate with whom to compare DNA.

段5：①But some observers are skeptical. ②“There’s a kind of false precision being hawked by people claiming they are doing ancestry testing,” says Troy Duster, a New York University sociologist...

段6：①Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. ②Databases used by some companies don’t rely on data collected systematically but rather lump together information from different research projects.

30.An appropriate title for the text is most likely to be

[A]Fors and Againsts of DNA Testing.

[B]DNA Testing and Its Problems.

[C]DNA Testing Outside the Lab.

[D]Lies Behind DNA Testing.

答案：B

问：30题A选项不适合作为本文标题的原因是什么？

A : 无中生有，选项中的内容在文中并未出现

B : 选项中的Fors（支持）与原文不符，文中并未提及支持DNA检测的相关内容

C : 文章只在前两段运用对于DNA检测的支持来引出下文，并非主要描写内容

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