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同步时序电路和异步时序电路比较,其差异在于后者

时间:2017-09-28 11:34来源:未知 作者:admin 点击:
33. 同步时序电路和异步时序电路比较,其差异在于后者 A. 没有触发器 B. 没有统一的时钟脉冲控制 C. 没有稳定状态 D. 输出只与内部状态有关 全是标准16春奥鹏作业 正确答案:B 34. 反馈清零法是在计数过程中利用某个中间状态反馈到清零端,迫使计数器返回到0

北航11春学期《外贸英语对话》在线作业
试卷总分:100       测试时间:--
单选题  

一、单选题(共 25 道试题,共 100 分。)V 1.  We always have faith()the quality of your products.
A. to
B. about
C. of
D. in
      满分:4  分
2.  He also be interested in marketing, demand, importing __ and other information
A. procedures
B. process
C. formality
D. proceeding
      满分:4  分
3.  Companies and Individuals protect themselves against loss, damage on injury by __ insurance policies.
A. taking out
B. taking up
C. taking of
D. taking care
      满分:4  分
4.  When arbitration is to take place in China,we can__the case to CIETAC.
A. rely
B. submit
C. depend
D. take
      满分:4  分
5.  No one has done more to __ the honour or has worked harder to promote our interest.
A. deserve
B. have
C. possess
D. has
      满分:4  分
6.  This agreement is made__and__Paty A and Paty B.
A. in…between
B. on…in
C. by…in
D. by…between
      满分:4  分
7.  There is no marked ( ) difference between the two.
A. quality
B. qualitative
C. situation
D. situational
      满分:4  分
8.  The underwriters work out the __, for example, the price of insurance.
A. bonus
B. premium
C. dividend
D. stake
      满分:4  分
9.  We are happy to have concluded business with you, our work was not wasted. The time-taking negotiations were ______
A. worthwhile
B. worth our while
C. worthy
D. worth while
      满分:4  分
北航11春学期《外贸英语对话》在线作业
10.  We have the () ready for you. [我们已经为你准备好报盘了。 ]
A. offer
B. question
C. request
D. answer
      满分:4  分
11.  The shipment was______by insurance ______All Risks.
A. cover,against
B. protected,including
C. effected,against
D. promised,against
      满分:4  分
12.  Your price is much higher ( )the price from U.K. France and Germany.
A. to
B. when
C. as
D. than
      满分:4  分
13.  We are glad to send you this introductory letter, hoping that it will be the prelude ______mutually beneficial relations between us.
A. for
B. to
C. on
D. in
      满分:4  分
14.  We are interested in the desk lamps you ______ in the May issue of “Good Housekeeping”.
A. advertising
B. being advertised
C. advertised
D. have advertised
      满分:4  分
15.  We can't accept your offer (  ) the price is reduced by 5%.
A. unless
B. because
C. if
D. when
      满分:4  分
16.  The topic he has chosen to speak on is changing technology in the next __.
A. decade
B. ten years
C. decades
D. ten-year
      满分:4  分
17.  The unique design of the packing will help you () the sale of drugs.
A. promote
B. lift
C. rise
D. push
      满分:4  分
18.  You will have to pay $ 30.00 per __ for the premium.
A. annum
B. annual
C. year
D. years
      满分:4  分
19.  The words telegram and telegraph are usually associated with __ communication.
A. inter
B. internally
C. inner
D. internal
      满分:4  分
20.  My offer was based on () profit, not on wild speculations.
A. reasonable
B. right
C. wild
D. high
      满分:4  分
21.  The exporters have the right to () the export goods before delivery to the shipping line.
A. inspect
B. look
C. watch
D. see
      满分:4  分
22.  We sincerely hope the quality are ( ) the contract stipulations.
A. in conformity with
B. like
C. as
D. as to
      满分:4  分
23.  I'm afraid I don't find your price ( )at all.
A. good
B. right
C. well
D. competitive
      满分:4  分
北航11春学期《外贸英语对话》在线作业一
24.  Dose it make any difference__you ?
A. to
B. for
C. on
D. between
      满分:4  分
25.  Prices are fixed ( ) their quality, aren't they?
A. to
B. as
C. like
D. according to
      满分:4  分

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