【单选题】
Exporters obtained the specimens in the food markets rather than going out to collect them in the wilD、Treatment of the turtles prior to reaching the markets resulted in many of them being diseaseD、Packed tightly into crates, often for journeys of several weeks without food, it is little wonder that many specimens exported to western countries fared poorly when purchased as pets.
Throughout the FarEast turtles and tortoises have featured in various cultures and certain religions. They have also been used for hundreds of years for food and medicine. TraditionalChinese medicine is probably the greatest threat to the three-striped box and to the thousands of other turtles that are imported yearly intoChinA、Turtles are well known for their longevity, which it is thought will be passed on to those eating them. Turtle blood, bones and shells -- particularly the plastron (ventral part of the shell) -- are thought to have medicinal properties and be able to cure a number of ailments. Turtle eggs are also used for food and medicine. The medicinal value of the turtles is open to question, and it is possible that herbs could produce the same effects.Any beneficial substances from the turtles could also be synthesized chemically, so as to prevent the killing of turtles.
The southern part ofChina has become more prosperous in recent years, and the demand for turtles has increased dramatically. Turtle dishes are served in restaurants and regarded as an expensive delicacy, even a status symbol.
As turtle supplies inChina dwindled, traders started importing the animals from Vietnam.As a result, many Vietnamese turtles have now disappeared from their haunts in the wilD、To satisfy growing demand, importers have now turned to sources farther afield, includingCambodia, Laos, Nepal, India,Bhutan and IndonesiA、
Since biologists started studying turtles inChinese food markets, several previously unknown and extremely rare species have been found; some are onAppendix I ofCITES.At the present rate of collection such specimens, and even species not yet discovered, could soon be extinct. The three-striped box turtle is simply one among dozens of other species flooding intoChina, but its high value makes it a special target for collectors.
B、some chemical substances may have the same effect as turtles
C．turtles are nearly extinct inChina
D．turtle dishes are the only expensive delicacy inChinese restaurants
网考网参考答案：B
网考网解析：
[分析] 主旨题型 通读全文可知本文最想表达的是对大量龟类被杀，成为人们餐桌上的佳肴的事感到遗憾；但又提到人们的初衷是想从龟类身上达到治病防病的目的，因此建议用化学合成的方式来提取龟类身上的有益物质；B为答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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