make a difference()
A.有困难
B.有作用
C.有难度
A、有困难
A.有困难
B.有作用
C.有难度
A、有困难
第1题
Whether you go or not does not () .
A make a difference
B make difference
C make different
D make differences
第3题
A.make a difference
B.play a role in doing sth
C.make an influence
D.play a part in doing sth
第5题
此题为判断题(对,错)。
第6题
A.You enter 0 in the quantity field to make a recount required
B.You post a goods issue with quantity100
C.You set the Zero Count indicator
D.You enter 0 in the quantity field and book the difference
第7题
此题为判断题(对,错)。
第8题
Which is the main topic of this passage?
A.Modem ideas are beginning to influence the Eskimos.
B.Why are the Eskimos able to live in Arctic regions?
C.The Eskimos are adaptable.
D.Eskimos' way of life has not changed very much.
第9题
What do statistics do for science?
A.They get rid of intuition,
B.They make it more logical.
C.They reduce everything to numbers.
D.They give an idea of the amount of error involved.
第10题
Fish sounds are important to man, also. By listening to them, he can learn a great deal about the habits of creatures that make them, the size of the School they form, the patterns of their migrations, and the nature of the environments in which they live. He can also apply this information to the more effective utilization of the listening spots he has set up to detect enemy submarines (潜水艇). A knowledge of fish sounds can avoid confusion and unneeded effort when a "new" sound is picked up and the sound sentry (哨兵) must decide whether or not to call an alarm.
Among the people who know that many sea animals have voices, few ______.
A.know the meaning of their conversations
B.realize that they can communicate with each other
C.realize that they can make speeches
D.could understand their conversations
第11题
The scientist's knowledge must be exact.There is no room for half right or right just half the time.He must be as nearly right as the conditions permit.What works under one set of conditions at one time must work under the same conditions at other times.If the conditions are different,any changes the scientist observes in a demonstration must be explained by the changes in the conditions.This is one reason that investigations are important in science.Albert Einstein,who developed the theory of relativity,arrived at this theory through mathematics.The accuracy of this mathematics was later tested through investigations,Einstein's ideas were shown to be correct.A scientist uses many tools for measurements.Then the measurements are used to make mathematical calculations that may test his investigations.
1.What makes a scientist according to the passage?()
A.The tools he uses.
B.The way he uses his tools.
C.His ways of learning.
D.The various tools he uses.
2.The underlined part in the passage shows().
A.the importance of information
B.the importance of thinking
C.the difference between scientists and ordinary people
D.the difference between carpenters and people with other jobs
3.A sound scientific theory should be one that ().
A.works not only under one set of conditions at one time,but also under the same conditions at other times
B.does not allow any changes even under different conditions
C.can be used for many purposes
D.leave no room for improvement
4.The author quotes the case of Albert Einstein to illustrate().
A.that measurements are keys to success m science
B.that accuracy of mathematics
C.that investigations are important science
D.that the mathematical calculations may test his investigations
5.What is the main idea of the passage?()
A.The theory of relativity.
B.Exactness is the core of science.
C.Scientists are different from ordinary people.
D.Exactness and ways of using tools are the keys to the making of a scientist.