一个长方形的宽为a，长比宽的2倍多1，则这个长方形的周长为（） A．6a+2

发布时间：2017-05-15 19:52 │ 来源：www.tikuol.com

题型：选择题

问题：

一个长方形的宽为a，长比宽的2倍多1，则这个长方形的周长为（　　）

A．6a+2

B．6a+1

C．3a+1

D．6a-2

考点：写代数式

题型：选择题

完形填空。

     Gilbert joined the Science Club last summer. One day he was given a piece of paper, a block of wood
and four wheels; he was told to go home and  1 them all to his dad. However, Gilbert's mom knew that his
dad wasn't good at  2 things and decided that she would read the  3 and let Gilbert do the work. A few
days later the block of wood was turning into a car that Gilbert  4 named "Blue Lightning". Then he and his
mother went to a car race together. But when they  5 there. Gilbert found that all the other cars were made
by "father-son" partnership (合作).
     The race began. One by one the cars were knocked out until it  6 to the final (决赛) between Gilbert
and Jimmy. Just before the race. Gilbert asked  7 they could stop for a minute so that he could make a wish.
After a long minute, Gilbert said that he was  8 .
     People cheered as the race began Jimmy stood with his father and watched their car  9 down the road
while Gilbert was surprised at the great  10 of his car as it rushed over the finishing line less than a second
11 Jimmy's. Gilbert jumped up and down with  12 .
     Soon the club manager came over and asked him,"So, Gilbert,your wish was to  13 , right? " "Oh no,
sir," he replied."I just wished that I wouldn't cry if I lost."
     Children sometimes 14 adults with unexpected ideas. When Gilbert first saw the other cars, he didn't
cry out. "Not fair! Other children had their fathers' help!" Gilbert didn't wish for victory in the race;  15 he
wished for courage.

( )1. A. send
( )2. A. make
( )3. A. instructions
( )4. A. easily
( )5. A. lived
( )6. A. ran
( )7. A. whether
( )8. A. sure
( )9. A. racing
( )10. A. effort
( )11. A. past
( )12. A. excitement
( )13. A. change
( )14. A. satisfy
( )15. A. so

B. return
B. made
B. passage
B. carefully
B. got
B. moved
B. why
B. ready
B. race
B. energy
B. over
B. enjoyment
B. break
B. surprise
B. because

C. lend
C. making
C. message
C. proudly
C. met
C. came
C. when
C. tired
C. raced
C. speed
C. after
C. agreement
C. leave
C. please
C. or

D. give
D. to make
D. explanations
D. kindly
D. passed
D. rushed
D. where
D. sorry
D. to race
D. value
D. before
D. achievement
D. win
D. encourage
D. instead

查看答案

题型：选择题

国际健康促进大会提出的《渥太华宣言》明确指出，健康促进设计的主要活动领域包括（）。

A.制定能促进健康的公共政策

B.创造支持环境

C.加强社区的行动

D.发展个人技能

E.调整卫生服务方向

查看答案

题型：选择题

患者女，68岁，全牙列缺失，拟行全口义齿修复，全口义齿排牙完成后需要口内试戴，除要求有良好的咬合关系和平衡外，对义齿基托蜡型也有严格要求

基托磨光面的固位形是指（）。

A.基托唇颊面隆起形成牙根部的外形

B.基托唇颊面形成与自然牙相似的牙龈外形

C.在基托磨光面的唇颊舌腭面形成的凹面

D.在基托磨光面的唇颊舌腭面形成的凸面

E.龈外展隙

查看答案

题型：选择题

第二节：书面表达（25分）

请你根据下面一幅图和一首诗，写一篇说明“书的作用”的短文。

注意：可根据小诗的提示适当增加必要的细节，使内容和意思衔接。（字数为100左右）

层层宝库找开来，黑宝纵横一排排。

能记诸般悠悠事，不分古今和中外。

查看答案

题型：选择题

用水来扑灭火源，采用的是（）灭火方式。

A.隔离法

B.窒息法

C.冷却法

查看答案

更多题库

一个长方形的宽为a，长比宽的2倍多1，则这个长方形的周长为（ ） A．6a+2

问题：

一个长方形的宽为a，长比宽的2倍多1，则这个长方形的周长为（） A．6a+2