实现物资流通社会化的途径之一的成套配送是指（）。 A.送货上门的供货方式 B.按用户

每盒装12枝圆珠笔，每枝圆珠笔2元钱，

①每盒圆珠笔多少钱？

②5盒共有多少枝圆珠笔？

应做好隐蔽工程检查记录的是（）

A、基础工程

B、防水工程

C、钢结构工程

D、主体结构钢筋工程

E、装饰工程

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.

8（）

A.comes

B.come

C.coming

D.came

一台IBM-PC机，内存容量是8MB，则此PC机采用的CPU型号至少应当是

A．80486

B．80386

C．80286

D．8088

某女童，最近出现光线较暗时视物不清症状，且症状逐渐加重，眼睛干涩、畏光，全身皮肤干燥，多次发生呼吸道感染，生长发育迟缓，眼结膜外侧出现白色泡沫状聚集物。

该女童膳食中应补充的物质是（）

A.肝脏、胡萝卜等

B.谷类、豆类

C.柑橘、柠檬等

D.玉米

E.虾皮等海产品