在蚕豆根尖上画上等距离的细线,培养一段时间就会发现细线之间距离最大的是[ ] A

题型:选择题

问题:

在蚕豆根尖上画上等距离的细线,培养一段时间就会发现细线之间距离最大的是[ ]

A.根冠

B.分生区

C.伸长区

D.成熟区

考点:根的生长
题型:选择题

女,30岁,诉心悸胸闷。心尖区闻及收缩期杂音,经检查确诊为甲状腺功能亢进症,心脏无器质性病变,其心脏杂音应具有的特点是()

A.伴震颤

B.强度>3/6级

C.性质柔和

D.沿血流方向传导远而广

E.呈全收缩期杂音

题型:选择题

对于隧道的新奥法施工,开挖洞身的方法有()。

A.全断面法

B.台阶法

C.上下导洞开挖法

D.下导洞扩大开挖法

题型:选择题

Passage Two

During the last thirty years, the international economy has experienced a basic change. Improvements in the Internet and other communications have had important effects on world markets. Faster methods of transport from one place to another have made the world seem smaller to the businessmen. As a result, the world no longer. consists of a number of separate economies under the control of different nations. Instead, the nations have been integrated into a single economy, and the integration is becoming more and more complete every year. For the first time in history, we can truly speak of a global economy.
The most dramatic example of this integration was the oil crisis of 1973 and 1974. It came as a great surprise to the public in the industrial nations to discover that they depended so heavily on imported oil. However, the best evidence for the growing integration is the rapid expansion in the volume of world trade. It went up by about 7% a year during the decade from 1990 to 2000, and in several quasi-industrial (半工业的) countries the growth was even more rapid. As a result, some imported products have become as common as domestic commodity. Some of them are too common for the public to any more realize they are foreign.
Production has also become international, which is manifested by the large corporations stepping across national borders and established branches and subsidiaries in several different countries. As an example, U.S. companies are building automobiles in Canada, Germany, Britain and Japan. In some cases, components of an automobile are produced abroad and shipped to the United States, where it is then finished with the imported parts. When even the United States has the largest number of such corporations, it is not the only. Other multinationals, for instance, are based in Japan, France, Germany, the UK and Italy.
Labor, too, is much more mobile than in the past. Both skilled and unskilled workers can now readily migrate from one country to another. In Europe, for example, there are large numbers of Turkish workers employed in the Germany Economy. Doctors, lawyers, and other professionals are also finding it easier to work in foreign countries. The labor market has become international, and the number of expatriate workers is continuing to grow.

We learn from the passage that ______ .

A.some less developed countries maintain a faster growth rate

B.the United States has more international corporations than other countries

C.the U.S. automobile industry is collapsing under competitive pressure from Japan and other industrialized countries

D.skilled workers and professionals find it easier to work abroad than unskilled workers

题型:选择题

资本总公式的矛盾是指______。

A.生产社会化与资本主义私人占有形式之间的矛盾

B.形式上的平等掩盖了事实上的不平等

C.资本流通中等价交换与价值增值的矛盾

D.剩余价值既在流通中产生又不在流通中产生

题型:选择题

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