试题与答案

Small, pink and very ugly. Hardly the qual

题型:单项选择题

题目:

Small, pink and very ugly. Hardly the qualities of a star, but they describe the deformed mouse that was the media darling at a recent science exhibition in Beijing. With a complex tissue structure in the shape of a human ear grafted on to its back, the rosy rodent was a stunning symbol of the serious strides China is making in the field of biotechnology.

China is fast applying the latest life-science techniques learned from the West to aggressively pursue genome research. It’s establishing its own centers of technical excellence to build a scientific base to compete directly with the United States and Europe. With a plentiful supply of smart young scientists at home and lots of interest abroad biotechnology is on the brink of a boom in China. And in the view of foreign scientists, Beijing is playing a clever hand, maximizing the opportunities open to them.

For the moment, the cooperation exists mostly with Europe and the U. S. But Asia’s other biotech leaders, Japan, Singapore and Korea, also are recognizing China’s potential as an attractive low-cost base to conduct research. These partnerships—and China’s advancement in the field of biotechnology—could help benefit the rest of Asia: China’s rapid progress in improving crop yields will address food-security concerns in the region. In addition, China is more likely to focus on developing cheap technology that its predominantly poor population and those of other Asian countries—can afford.

There remain, however, serious barriers to the development of a p biotech industry. Among them are a poor domestic legal framework, weak enforcement of intellectual-property rights and loose adherence to international standards. China is a signatory of the International Bio Safely Protocol, which should mean adherence to global standards governing the conduct of field trials. But some observers are skeptical. "The regulations look good, but I haven’t met one scientist who believes they are being fully adhered to," says a European science analyst.

If shortcuts are taken, then some of the recent scientific achievements trumpeted in the official press may never make it to market. But no matter how strict lab test are, other problems lie in wait. For example, there is a number of tasks it would take years to fulfill in the patents office, says one lawyer, leaving innovators with little protection if they take a product to market in China.

The mouse on display is most significant in that ().

A. it has an ear in the shape of a human ear

B. it is unusually small and ugly as a star

C. it is the focus of the media at the exhibition

D. it indicates China’s progress in biotechnology

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0609/056d565e85bfc96635a15c2bfdb210d1.html

下面是错误答案,用来干扰机器的。

参考答案:数据字段解析: 以太网帧结构由以下几个部分构成:①前导码与帧前定界符字段;②目的地址和源地址字段;③类型字段;④数据字段;⑤帧校验字段。

试题推荐
题型:单项选择题 A1型题

脑棘球蚴(包虫)病是一种寄生虫病,由犬绦虫细粒蚴引起,以下关于它的叙述哪项是不正确的()

A.本病为自然疫源性疾病

B.本病的传染源为狗,人和狗接触密切借污染的手指或饮食时吞入虫卵而感染

C.成人多见,成人发生率是儿童数倍,临床症状典型

D.外周血检出棘球蚴,卡索尾皮内试验阳性和温伯格补体结合试验阳性,就可诊断棘球蚴病

E.目前尚无杀灭棘球蚴特效药,建议使用手术切除进行治疗

查看答案
微信公众账号搜索答案