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We can infer from the third paragraph that ______.
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《中华人民共和国物权法》的实施日期是（）。
A．mountB．numberC．sizeD．scale
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 strong 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 ______.
Meanwhile, families are less close than they used to be. More and more American mothers【45】away from home. The break-up of the family occurs when the parents【46】. A lot of children in the USA. live part of their young lives with only one parent. Broken families usually result【47】problems for children and parents alike. Children blame themselves when their parents separate. They grow up feeling【48】as they are moved【49】between parents. Usually one parent is responsible for raising the children. These single parents must care for the children's emotional and psychological【50】while also supporting them financially. This is very demanding and【51】very little time for the parent's own personal【52】. Single parents often marry other single parents. In this type of family, unrelated children are【53】to develop brother or sister relationship. The situations of many American families today are not good. However, recent signs【54】that things are getting better. The divorce rate is【55】. The rate of childbirth is rising. Perhaps Americans have learned how important families are.
(66)
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