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Braille stopped making dots and rahis fingers across the paper from time to time because he was tired
·T
·F

This passage is mainly about how the Braille method was invented.
·T
·F

What is the maiidea of the passage
·<!--[endif]-->The theory of relativity.
·Exactness is the core of science.
·Scientists are different from ordinary people.
·Exactness and ways of using tools are the keys to the making of a scientist.

The author quotes the case of Albert Einsteito illustrate _____________.
·<!--[endif]-->that measurements are keys to success iscience
·that accuracy of mathematics
·that the investigations are important iscience
·that the mathematical calculations may test his investigations

A sound scientific theory should be one that ____________
·<!--[endif]-->works not only under one set of conditions at one time, but also under the same conditions at other times
·does not allow any changes eveunder different conditions
·cabe used for many purposes
·leaves no room for improvement

"The scientist, however, goes one step further…" The author says this to show _________.
·the importance of information
·the importance of thinking
·the difference betweescientists and ordinary people
·the difference betweecarpenters and people with other jobs

What makes a scientist according to the passage()
·<!--[endif]-->The tools he uses.
·The way he uses his tools.
·His ways of learning.
·The various tools he uses.


·said
·says
·stated
·state

( ) 10. —Cindy, which would you rather buy, the browbelt or the blue one—______
·I like it very much.
·Never mind.

( ) 8. Three of these We shall not need here, but they are worthy______ a mention.
·to
·at
·for
·of

( )7. We.ll have to______ how much food we.ll need for the party.
·work out
·work up
·work in
·work on

( ) 3. Although he.s only 16 years old,______ he has beea college student for two years.
·but
·/
·however
·and

Two nuclear power stations ______ ithe past teyears.
·have
·built
·would
·are

( ) 2. The chairman’s speech ________ the radio wheI turit on.
·was broadcast on
·was being broadcast on
·was broadcasting in
·broadcast over

( ) 4. —Hi, it.s almost twelve.______—Not very. But I would like to have something to drink.
·Are you hungry
·I do apologize to you for the delay.
·Please drop iany time you like.
·Would you like to have lunch with me