单选题The writer thinks the most important use of the laser is in the field of ______.A medical treatmentB national defenseC space travelD metrology

题目
单选题
The writer thinks the most important use of the laser is in the field of ______.
A

medical treatment

B

national defense

C

space travel

D

metrology

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相似问题和答案

第1题:

Which of the following is NOT tree?

A) Educational campaigns are very important to early sowing.

B) Of all the advances that the writer hopes for, early sowing is the most important.

C) Peasants should remain the masters of their fields.

D) Government might as well make good and firm rule for peasants.


正确答案:D
答案:D
[试题分析]事实判断题。
[详细解答]A,C,D三项内容在文中都06找到依据,而根据倒数第二段第二句内容Educational campaigns among the peasants will play an essential role in this basic advance,early sowing,on which all the others depend.可判断D的内容与之相悖,因此应为本题答案。

第2题:

One of the most important characteristics of OSPF is Multiple areas. Which statement best describes why this feature is such an important enhancement to earlier routing protocols?()

A. The network domain, when divided into areas, allows for the use of both IANA classful addressing and private addressing.

B. The use of multiple areas allows for the use of prioritization.

C. All computation is kept within the area, with minimum communication between the areas,allowing the network to scale to larger sizes.

D. It is easier to implement security.


参考答案:C

第3题:

29. The writer thinks that people in large cities should __________ .

A. stop the used water from getting into underground

B. only use the water from the rivers

C. make their used water clean again

D. use as much sea water as possible


正确答案:C
29.C【解析】由第四、五两段的描述可知,作者认为大城市的水应该被净化后重新利用。

第4题:

The IT department requested a report to list each server name and the name of each department that utilizes resources from each server. You create a tabular layout that breaks on the server name. You ran the report and noticed that the department field is too large for most of the department names. Which field size setting would you use to allow the field to be smaller but not larger than the field layout size?()

  • A、Fixed 
  • B、Expand 
  • C、Contract 
  • D、Variable

正确答案:C

第5题:

The author gives substance to the passage through the use of___________.

A.interviews with authorities in the field of water controls
B.opinion and personal observations
C.definitions which clarify important terms
D.strong argument and persuasion

答案:B
解析:
通过浏览整篇文章以及对段落首末句的分析可知,作者是在发表自己的个人观点并分层次具体阐述,所以B项正确。

第6题:

An administrator needs to maintain 1TB of storage space for a server. A performance critical application will use this storage space for a database. The database will be replicated between multiple servers. Cost and performance are the most important considerations.Which of the following RAID configurations would be the BEST choice for the storage array?()

A. RAID 6 with six 250GB hard drives

B. RAID 5 with five 250GB hard drives

C. RAID 0 with four 250GB hard drives

D. RAID 10 with eight 250GB hard drives


参考答案:C

第7题:

25. The passage can most probably be found in a ________ book.

A. science

B. history

C. travel

D. maths


正确答案:A
25.A【解析】本文是一篇科普性的文章,应该出自自然科学方面的书籍。

第8题:

The writer thinks that a new job is______to people.

A.a duty

B.a challenge

C.an offer

D.fun


正确答案:B
根据作者的意思,一份新的工作对于人们来说应该是怎样的。第二段说“It may be difficult to know what to do”,而且刚进入新的工作需要很重视很谨慎。所以应该是具有挑战性,而不仅仅是一份责任,一个0ffer,甚至很有趣。所以答案选B。

第9题:

CAL是审查认可的英文缩写( )。

A:China Metrology Accreditation
B:China National Accreditation Service for Conformity Assessment
C:China Accredited Laboratory
D:China Metrology Certification

答案:C
解析:

第10题:

An administrator needs to maintain 1TB of storage space for a server. A performance critical application will use this storage space for a database. The database will be replicated between multiple servers. Cost and performance are the most important considerations. Which of the following RAID configurations would be the BEST choice for the storage array?()

  • A、RAID 6 with six 250GB hard drives
  • B、RAID 5 with five 250GB hard drives
  • C、RAID 0 with four 250GB hard drives
  • D、RAID 10 with eight 250GB hard drives

正确答案:C

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