Scientific Progress Most scientific progress is the result of careful considerat

ScientificProgress

Most scientific progress is theresult of careful consideration of work that has already been done. Thewonderful world which lies before us today has been put up by hardworking menwith clear heads and inventive mind, and these who follow them along life’s road will improve on their efforts. It is sometimes necessaryto question and even to disbelieve some of the statements made by experts.Action or experiment can often end an argument or achieve a breakthrough.

When men were wondering whetherit was possible to reach India by sailing westwards from Europe, and whetherthere was any land on the other side of the Atlantic Ocean, ChristopherColumbus decides to act. He gathered some men, invited them to go on board histhree ships, and set out across the dangerous waters of the Atlantic Ocean. Hewas successful in finding land, but it was not India. The result of his actionwas that the arguments came to the end.

Any young man who wishes to doresearch must be courageous enough to question old beliefs and do some originalthinking about them. Although we seem to know so much, there are many things wedon’t know. Even when we pull an atom to pieces,we do not really know what the pieces are, we often do not reach the realitybehind what we discover, and the more we learn, the better we realize ourignorance.

1.Christopher Columbus decided to set out histrip because he wants to ________

A.travelround the world

B.bringwords into action

C.discoverthe truth with action

D.bringthe argument to an end

2.According to the passage, the more we learn_______

A．the more ignorance we will become

B. the more brilliant we are

C. the more confident we are ofourselves

D. the more we know about ourignorance

3.Our present wonderful world has been builtup by _______

A. men who do not believe inothers but themselves

B. those who work hard and dareto break way from old ideas

C. those who can makeimprovements on other people’s work

D. men who work extremely hard infollowing their teachers

4.Columbus succeeded in finding outthat_______

A. the Atlantic was dangerous toget across  

B. India was to the west of theAtlantic

C. There was land on the otherside of the Atlantic

D.it was possible sail to India by crossing the Atlantic

试题答案

【答案】

1.C

2.D

3.B

4.C

【解析】略