1 . A land free from destruction, plus wealth, natural resources, and labor supply--all these were important __1____ in helping England to become the center for the Industrial Revolution. __2____ they were not enough. Something __3____ was needed to start the industrial process. That “something special” was men--__4____ individuals who could invent machines, find new __5____ of power, and establish business organizations to reshape society.
The men who ___6___ the machines of the Industrial Revolution __7____ from many backgrounds and many occupations. Many of them were ___8___ inventors than scientists. A man who is a __9____ scientist is primarily interested in doing his research __10____. He is not necessarily working __11____ that his findings can be used.
An inventor or one interested in applied science is __12____ trying to make something that has a concrete use. He may try to solve a problem by __13____ the theories __14____ science or by experimenting through trial and error. __15____ of his method, he is working to obtain a __16____ result: the construction of a harvesting machine, the burning of a light bulb, or one of many other objectives.
Most of the people who __17____ the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had __18___ or no training in science might not have made their inventions __19___ a groundwork had not been laid by scientists years _20____. 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．generating

B．effective

C．motivating

D．creative

5.

A．origins

B．sources

C．bases

D．discoveries

6.

A．employed

B．created

C．operated

D．controlled

7.

A．came

B．arrived

C．stemmed

D．appeared

8.

A．less

B．better

C．more

D．worse

9.

A．respectable

B．practical

C．pure

D．clever

10.

A．happily

B．occasionally

C．reluctantly

D．accurately

11.

A．now

B．and

C．all

D．so

12.

A．seldom

B．sometimes

C．always

D．never

13.

A．planning

B．using

C．studying

D．applying

14.

A．of

B．with

C．to

D．as

15.

A．Speaking

B．Thinking

C．Instead

D．Regardless

16.

A．single

B．sole

C．specialized

D．specific

17.

A．proposed

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