搜题请搜索小程序“爱下问搜题”
问题 选择题

下列说法不正确的是    （   ）

A．西汉以前，中国丝绸大量经西北各民族运至中亚、西亚、南亚诸国

B．最早记载中国同欧洲直接往来的正史是《后汉书》

C．唐朝的玄奘和义净在中印文化交流中起了主要作用

D．《农政全书》与《天工开物》均收录了国外传来的技术

答案

答案：A

本题考查的是学生对于基础知识的掌握情况，A随着西汉开辟的陆上“丝绸之路”中国的丝绸才经过西北各民族运至中亚、西亚、南亚诸国，故A错误。

单项选择题

The "standard of living" of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, (1) , depends first and (2) on its capacity to produce wealth." Wealth" in this sense is not money, for we do not live on money (3) on things that money can buy. "Goods" such as food and clothing, and "services" such as transport and " (4) ". A country’s capacity to produce wealth depends upon many factors, most of (5) have an effect on one another. Wealth depends (6) a great extent upon a country’s natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a (7) climate; other regions possess none of them.

Next to natural resources (8) the ability to turn them to use. China is perhaps as well (9) as the USA in natural resources, but suffered for many years from civil and (10) wars, and (11) this and other reasons was (12) to develop her resources. (13) and stable political conditions, and (14) from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well (15) by nature but less well ordered.

A country’s standard of living does not only depend upon the wealth that is produced and consumed (16) its own borders, but also upon what is indirectly produced through international trade. (17) , Britain’s wealth in foodstuffs and other agricultural products would be much less if she had to depend only on (18) grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would (19) be lacking. A country’s wealth is, therefore, much influenced by its manufacturing capacity, (20) that other countries can be found ready to accept its manufactures.

18（）

A.those

B.what

C.that

D.it
查看答案
单项选择题

操作系统最先出现在（）

A.第1代计算机

B.第2代计算机

C.第3代计算机

D.第4代计算机
查看答案