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[主观题]

It is obvious that ________language (s) have/has their/its own collocation of wise sayings.

A、few

B、many

C、nearly all the

D、every

提问人:网友gmcxsqjh 发布时间:2022-01-07
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更多“It is obvious that ________lan…”相关的问题
第1题
holds that language originated from people’s imitations of animal cries and other sounds heard in nature.

A、The bow-wow theory

B、The Ding-Dong theory

C、The pooh-pooh theory

D、The yo-he-ho theory

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第2题
It 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. All he needs to do is shell out $30 for paternity testing kit (PTK) at his local drugstore—and another $120 to get the results.

More 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 over-the-counter kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $ 2,500.

Among 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. DNA testing is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family's geographic roots.

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

But some observers are skeptical. "There is a kind of false precision being hawked by people claiming they are doing ancestry testing," says Troy Duster, a New York University sociologist. He notes that each individual has many ancestors—numbering in the hundreds just a few centuries back. Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father's line or mitochondrial DNA, which is passed down only from mothers. This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 other great-great-grandparents.

Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. Databases used by some companies don't rely on data collected systematically but rather lump together information from different research projects. This means that a DNA database may have a lot of data from some regions and not others, so a person's test results may differ depending on the company that processes the results. In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer review or outside evaluation.

In Paragraphs 1 and 2, the text shows PTK's ______.

A.easy availability

B.flexibility in pricing

C.successful promotion

D.popularity with households

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第3题
The blues refers to three different but closely related concepts. Which of the following is NOT included in the blues?

A、the blues dance

B、the blues

C、the blues aesthetics

D、the blues music

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第4题
All synonyms are identical in both denotation and connotation.
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第5题
He has ____ good knowledge of many foreign languages,and one of them is English which is____ language spoken by many people in the world.

A、  the;a

B、a;the

C、a;a

D、the;the

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第6题
What are used for lysing of bacterial cells and denaturation of DNA?

A、Alkaline denaturation

B、Protease

C、Exonuclease

D、Heat

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第7题
We have pleasure in informing you that, _____ the stipulations in the captioned L/C, today we have shipped the goods on board S.S. “Great Victory”.

A、in according with

B、with conformity

C、in compliance with

D、in accordance to

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第8题
Life being very short, and the quiet hours of it few, we ought to waste none of them in reading ___________ books.

A、valuable

B、invaluable

C、unvaluable

D、valueless

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