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问题

“特区是个窗口，是技术的窗口，管理的窗口，知识的窗口，也是对外政策的窗口。”下图中位于“A”点的特区是深圳。

答案

错

题目分析：本题考查的是我国建立的经济特区的基础知识。截止到1988年我国共建立深圳、珠海、汕头、厦门、海南五处经济特区，结合所学知识，A处应该是厦门，B处应该是深圳，C处应该是海南，故涂B 。

填空题


The United States counts its population every ten years, and each census reveals that the racial and ethnic mix is changing dramatically, so by the year 2050, the "average" American will not be descended from (1) , but the majority of U. S. residents will trace (2) ancestry to Africa, Asia, the Hispanic world, the Pacific Islands, or the Middle East. Once the United States was a microcosm of European nationalities, (3) the United States is a microcosm of the world. The United States is (4) considered a "melting pot" society by many of its residents. (5) , many people prefer the term "salad bowl." They use this (6) to describe American society. American society will soon be (7) nonwhite. "Melting pot" implies that the different ethnic groups blend together (8) one homogeneous (9) , "salad bowl" (10) that nationalities, like the ingredients in a mixed green salad, retain their cultural (11) . Earlier generations of (12) believed they had to learn English quickly not only to survive but also for (13) .
Now, many immigrant groups do not (14) the same need. Because there are many places in America (15) you can work, shop, get medical care, marry, divorce and die without knowing English. (16) , Chinatown in San Francisco and New York. Also, Los Angeles has many Vietnamese immigrants and immigrants from Mexico. (17) , many immigrant groups want their children to know their (18) culture. Many Hispanics, for instance, want their children to learn (19) English and Spanish and study the Spanish language in school. They are fighting for the (20) to bilingual education in many communities. In many communities they are in the majority.
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单项选择题

到现在为止，世界上已提出的数字电视三大传输标准是：（）

A、DVBATSCISDB

B、ATSCDVBISDB

C、DVBISDBATSC

D、ATSCISDBDVB
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