目前，我国旅行社联合体的类型有（）。 A.政府主导型 B.部门主管型 C.行业依托型

从一批含有13只正品，2只次品的产品中，不放回地抽取3次，每次抽取1只，设抽得次品数为X，则E（5X+1）=______．

For good or ill, globalization has become the economic buzz-word of the 1990s. National economies are undoubtedly becoming steadily more integrated as cross-border flows of trade, investment and financial capital increase. Consumers are buying more foreign goods, a growing number of firms now operate across national borders, and savers are investing more than ever before in far-flung places.

Whether all of this is for good or ill is a topic of heated debate. One positive view is that globalization is an unmixed blessing, with the potential to boost productivity and living standards everywhere. This is because a globally integrated economy can lead to a better division of labor between countries, allowing low-wage countries to specialize in labor-intensive tasks while highwage countries use workers in more productive ways. It will allow firms to exploit bigger economies of scale. And with globalization, capital can be shifted to whatever country offers the most productive investment opportunities, not trapped at home financing projects with poor returns.

Critics of globalization take a gloomier view. They predict that increased competition from low-wage developing countries will destroy jobs and push down wages in today’s rich economies. There will be a race to the bottom as countries reduce wages, taxes, welfare benefits and environmental controls to make themselves more competitive. Pressure to compete will erode the ability of governments to set their own economic policies. The critic also worry about the increased power of financial markets to cause economic havoc, as in the European currency crises of 1992 and 1993, Mexico in 1994～1995 and South-East Asia in 1997.

National economies are becoming more integrated as a result of ().

A. increasing flows of cross-border trade, investment and financial capital

B. more and more consumers going abroad to buy goods

C. many companies establishing new businesses

D. savers investing more in developed areas than in developing countries

关于多发性神经病，正确的是()

A．四肢远端对称性手套、袜套型感觉障碍

B．四肢远端对称性无力，可有肌肉萎缩

C．脑脊液蛋白—细胞分离现象明显

D．病因非常复杂

E．治疗包括病因治疗和对症治疗

物体所受到的合外力为一恒力，由静止开始运动，该力的作用时间越长，则（　　）

A．物体的瞬时速度越大

B．物体的瞬时加速度越大

C．在单位时间内对物体所做的功越多

D．该力的瞬时功率越大

常见的良性结节钙化类型不包括______

A．中心致密钙巢
B．同心圆状钙化
C．沙粒样钙化
D．爆米花样钙化
E．中心弥漫性钙化