5. Which of the following is NOT true?

A. Machines are taking work instead of people.

B. Now more people are out of work.

C. Machines need more money and longer holidays.

D. Most people want to have jobs.

[答案及解析]

4. How many people outside cities go into to look for jobs each day?

A. 70% of the people.　　　　　　　　　　　　 B. 4% of the people in the world.

C. More than 75,000.　　　　　　　　　　　　　 D. About 75,000 people.

3. One machine can do as much work as _______.

A. 40% of the people　　　　　　　　　　　　　 B. 4% of the people in the world

C. 40 people　　　　　　　　　　　　　　　　　　　　 D. 75,000 people

2. If the economy of the world grows by 4% each year, _______.

A. people will have no jobs　　　　　　　　 B. people can still have jobs as before

C. 4% of the people will have jobs　　 D. 97% of the people will have jobs

1. It was _______ for people to find work before than today.

A. not possible　　 B. difficult　　　　　　　 C. more difficult D. easier

27．(10分)2010年4月16日，冰岛埃亚菲亚德拉冰盖下的一座火山喷发，火山灰弥漫天空，严重影响欧洲的航空业。下图是冰岛火山灰扩散示意图，读图回答以下问题。

(1)右图为地壳物质循环示意图，代表此次火山活动的地质过程是_____(数字)，形成的岩石是_________(字母)。

(2)按照自然地理______性的观点，此次火山喷发将影响本区域及相关区域、甚至全球的自然地理要素，叙述正确的是　　　　　 (　　　 )

A.使冰川融化，海平面上升　　　　 B.火山灰危害人体健康

C.融化当地冰川，形成洪水　　　　 D.可能使地球“降温”

(3)要实时监测此次火山灰的扩散趋势及影响范围，可采用的地理信息技术是______，运用实时监测结果评估、模拟火山灰对航空运输的影响则可采用的地理信息技术是______。