题目内容：

完形填空

A land free from destruction,in addition to wealth,natural resources,and labor supply—all these were important _________ in helping England to become the center for the Industrial Revolution. _________ they were not enough.Something _________ was needed to start the industrial process(进程).That “something special” was men—_________ individuals who could invent machines,find new _________ of power,and establish business organisations to reshape society.

The men who _________the machines of Industrial Revolution _________ from many backgrounds and many occupations.Many of them were _________ inventors than scientists.A man who is a _________ scientist is primarily interested in doing his research _________.He is not necessarily working _________ that his findings can be used.

An inventor or anyone interested in applied science is _________ trying to make something that has a concrete _________ .He may try to solve a problem by using the theories _________ science or by experimenting through trial and error.Regardless of his method,he is working to get a _________ result:the construction of a harvesting machine,the burning of a light bulb,or one of _________ other objectives.

Most of the people who _________ the machines of the Industrial Revolution were inventors,not trained scientists.A few were both scientists and inventors.Even those who have _________ or no training in science might not have made their inventions _________ a groundwork(基础工作) had not been laid by scientists years _________.

1.A.cases         B.reasons          C.factors          D.situations

2.A.But           B.And              C.Besides          D.Even

3.A.else          B.near             C.extra            D.similar

4.A.possible      B.effective        C.necessary        D.creative

5.A.production    B.sources          C.bases            D.discoveries

6.A.employed      B.created          C.operated         D.controlled

7.A.came          B.arrived          C.stopped          D.appeared

8.A.less          B.better           C.more             D.worse

9.A.real          B.practical        C.pure             D.clever

10.A.happily      B.occasionally     C.unwillingly      D.wholeheartedly

11.A.now          B.and              C.all              D.so

12.A.seldom       B.sometimes        C.usually          D.never

13.A.plan         B.use              C.idea             D.means

14.A.of           B.with             C.to               D.as

15.A.single       B.only             C.limited          D.particular

16.A.few          B.those            C.many             D.all

17.A.suggested    B.developed        C.supplied         D.offered

18.A.little       B.much             C.some             D.any

19.A.as           B.if               C.because          D.while

20.A.ago          B.past             C.ahead            D.before