[填空题]With legal migration, governments need to persuade voters that they are accepting immigrants who will be________for the country, rather than those who will________drain resources.
A. A．beneficial … merely
B．jingoistic … withal
C．exotic … constantly
D．amusing … ungraciously
E．helpful … seldom

[填空题]The problems that European governments need to deal with are linked to ______.

[单项选择]
The Asian migration hypothesis is today supported by most of the scientific evidence. The first "hard" data linking American Indians with Asians appeared in the 1980s with the finding that Indians and northeast Asians share a common and distinctive pattern in the arrangement of the teeth. But perhaps the most compelling support for the hypothesis comes from genetic research. Studies comparing the DNA variation of populations- around the world consistently demonstrate the close genetic relationship of the two populations, and recently geneticists studying a virus sequestered in the kidneys of all humans found that the strain of virus carried by Navajos and Japanese is nearly identical, while that carried by Europeans and Africans is quite different.
The migration could have begun over a land bridge connecting the continents. During the last Ice Age 70,000 to 10,000 years ago, huge glaciers locked u
A. new
B. simple
C. different
D. particular

[单项选择]　The Role of Governments 　　1 Governments determine the legal framework that sets the basic meets for the ownership of property and the operation of markets. In addition, governments at all levels regulate economic behavior, setting detailed rules for the operation of businesses. Such regulations apply to all businesses; examples include laws against fraud and racial discrimination. 　　2 Governments buy and produce many goods and services, such as defense, education, parks and roads, which they provide for firms and households. They typically buy computers but write programs they need to operate them. Governments also produce and sell goods. In many countries the phone company is government-owned, like the electric system. 　　3 Governments also make transfer payments, such as Social Security and unemployment benefits to individuals. Transfer payments are payments for which no current economic goods or service is provided in return and therefore do not represent expenditure for the purc
A. Collecting Taxes
B. Making Transfer Payments
C. Making Laws and Regulations
D. Buying and Selling Goods and Services
E. Stabilizing the Economy
F. Controlling the Market

[填空题]

Migration and Business

Ⅰ．Migration
Map—sharp lines divide up the world
Real world—no (1) between lands
Ⅱ．Two changes of diasporas
A．They become much bigger
B．Because of cheap flights and communications, people can (2) with the places they came from
Reasons: three (3)
1. they speed the flow of information across borders
2. they foster trust
3. they help people (4) each other
Ⅲ．Migration and (5)
A．Immigrants account for an eighth of America’s population but a quarter of (6) firms between 1995 and 2005 were started by an immigrant.
B．Exile itself has the effect In an experiment, (7) of the migrants saw the solution against 42% of non-migrants.
C．Diaspora is help (8) to collaborate
example:
Godrej worked on a fridge for (9)
Ⅳ. Hyperconn