问题 选择题

关于我国地理位置及疆域的说法中,不正确的是(  )

A.领土大部分位于北温带,小部分在热带

B.位于东半球,跨南、北半球

C.领土最北端位于黑龙江省

D.位于亚洲东部、太平洋西岸,是一个海陆兼备的国家

答案

我国领土南北跨纬度很广,大部分位于中纬度地区,属北温带,南部少数地区位于北回归线以南的热带,没有寒带,只有在高山地区才有终年冰雪带,故A正确;

从东西半球看,我国位于东半球,亚洲东部,太平洋的西岸,从南北半球看,我国位于北半球,故B项错误;

我国疆域辽阔最北端在漠河以北黑龙江主航道中心,最东端在黑龙江与乌苏里江的汇合处,都位于黑龙江省,故C正确;

我国位于世界最大的大陆-亚欧大陆的东部,西部深入亚欧大陆内部,与许多国家接壤;东部濒临世界上面积最大的大洋-太平洋,有众多的岛屿和港湾,是一个海陆兼备的国家.故D项正确.

故选:B

单项选择题

The effect of the baby boom on the schools helped to make possible a shift in thinking about the role of public education in the 1920’s. In the 1920’s, but especially (1) the Depression of the 1930’s, the United States experienced a (2) birth rate. Then with the prosperity (3) on by the Second World War and the economic boom that followed it, young people married and (4) households earlier and began to (5) larger families than had their (6) during the Depression. Birth rates rose to 102 per thousand in 1946, 106.2 in 1950, and 118 in 1955. (7) economics was probably the most important (8) , it is not the only explanation for the baby boom. The increased value placed (9) the idea of the family also helps to (10) this rise in birth rates. The baby boomers began streaming (11) the first grade by the mid-1940’s and became a (12) by 1950. The public school system suddenly found itself (13) The wartime economy meant that few new schools were buih between 1940 and 1945. (14) , large numbers of teachers left their profession during that period for better-paying jobs elsewhere.

(15) , in the 1950’s, the baby boom hit an antiquated and inadequate school system. Consequently, the custodial rhetoric of the 1930’s no longer made (16) ; keeping youths ages sixteen and older out of the labor market by keeping them in school could no longer be a high (17) for an institution unable to find space and staff to teach younger children. With the baby boom, the focus of educators (18) turned toward the lower grades and back to basic academic skills and (19) . The system no longer had much (20) in offering nontraditional, new, and extra services to older youths.

12().

A. creek

B. flood

C. bonus

D. pledge

单项选择题