单选题When does Channel 2 begin evening programmes?A At 18:00.B At 18:30.C At 17:35.

题目
单选题
When does Channel 2 begin evening programmes?
A

At 18:00.

B

At 18:30.

C

At 17:35.

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相似问题和答案

第1题:

:2,18,4,36,8,72,( )

A.15

B.16

C.17

D.18


正确答案:B
由题干知,2×2=4,4×2=8,2、4、8是个等比数列,公比为2,并且是隔项 成等比数列,则8×2=16,故选B。

第2题:

Shopping for clothes is not the same experience for a man as it is for a woman. A man goes shopping (11)______ he needs something. His purpose is settled and decided (12)______ . He knows what he wants and his objective is to find it and (13)______ it;the price is a secondary (14)______ . Most men (15)______ walk into a shop and ask the salesman (16)______ what they want. If the shop has it in stock. the salesman promptly (17)______ it,and the business of trying it on proceeds (18)______ . Au being well,the (19)______ can be and often is completed in less than five minutes,with hardly any bargain and to their satisfaction. For a man,slight problems may begin when the shop does not have what he wants. (20)______ does not have exactly what he wants. In that case the salesman,as the name implies,tries to sell the customer something else.

(11)

A.although

B.before

C.unless

D.because


正确答案:D
解析:考查连词。根据句意可知,此处应填入一个表原因的连词,故选D。

第3题:

:20×20-19×19+18×18-17×17+…+2×2-1×1=( )

A.3245

B.2548

C.210

D.156


正确答案:C

20×20-19×19=(20+19)×(20-19),以此类推,原式=(20+19)×(20-19)+(18+17)×(18-17)+…+(2+1)×(2-1)=20+19+18+17+…+2+1=210

第4题:

min账户cin目录中MANINFO中的日志内容:14:18:18: manager begin initialization,表示的意思是()


正确答案:manager进程启动

第5题:

When does language acquisition begin according to the research?

A.It begins with the birth of a baby.
B.It begins before the birth of a baby.
C.It begins when a baby starts imitating adults’ speech.
D.It begins with a baby's cry melodies typical of its mother tongue.

答案:B
解析:
细节题。根据倒数第二段中的“That acquisition,it is now clear, beginsmonths before birth,probably in the third trimester.”可知,婴儿在出生之前就开始了语言习得。故本题选B。

第6题:

At a dinner, you can begin to eat

A、when the guests sitting beside you begin.

B、when the hostess says, "Let's begin."

C、when the main course is served.

D、when the hostess picks up her own spoon or fork..


参考答案:D

第7题:

设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排列,采用直接选择排序法,一趟扫描后的结果为( )。

A.2,9,4,25,15,16,13,18,17,5,8,24

B.15,4,18,2,16,5,8,24,17,9,13,25

C.9,4,16,15,2,13,18,17,5,8,24,25

D.9,16,4,25,2,15,13,18,5,17,8,24


正确答案:A
解析:直接选择排序首先从序列中找出一个最小的关键字与第一个元素交换,再从剩下的元素中重复同样的步骤。

第8题:

●设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排序,采用直接选择排序法,一趟扫描后的结果为 (5) 。

(5) A.(2,9,4,25,15,16,13,18,17,5,8,24)

B.(15,2,4,18,16,5,8,24,17,9,13,25)

C.(9,4,16,15,2,13,18,17,5,8,24,25)

D.(9,16,4,25,2,15,13,18,5,17,8,24)


正确答案:A
【解析】直接选择排序的方法是:首先在所有记录中选出排序码最小的记录,与第一个记录交换,然后在其余的记录中再选出排序码最小的记录与第二个记录交换,以此类推,直到所有记录排好序。题中序列的最小关键码是2,与第一个记录(关键码是16)交换后,结果为A所示。

第9题:

-2,-4,6,8,-10,-12,14,16,( ),( )

  • A、-17,-18
  • B、17,18
  • C、-18,-20
  • D、18,20

正确答案:C

第10题:

Given the following policy, what happens when the 1.1/17 route is evaluated?() [edit policy-options] policy-statement test { from { route-filter 0/0 orlonger accept; route-filter 1.1/17 upto /24 reject; route-filter 1.1/18 exact; } then { metric 6; accept; }

  • A、The route does not match this policy.
  • B、The route is accepted.
  • C、The route is rejected.
  • D、The route is accepted with a metric of 6.

正确答案:A

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