.Part of the family _______ out on holid

题型:选择题

问题:

.Part of the family _______ out on holiday. They are supposed to be back at the end of this week.

A.is

B.are

C.was

D.were

考点:主谓一致
题型:选择题
从方框中选择正确的选项补全短文,其中有两个多余选项。
A. How    B. a little   C. giraffe   D.Where  E. cute   F. their  
G. long   H. is eating   I. animals   J. going   K. people   L. in
     There is a zoo near my house. I like __1__ there. There are many __2__ in it.    Look! There is a
koala __3__ the tree. Isn't he __4__? Under the tree, there is a __5__.  Her neck (脖子) is so long. She
is a lovely girl. __6__ is the panada? She is eating the bamboo(竹子). She's __7__ shy. But the elephant
is interesting. He is playing with kids with his __8__ nose. They are very funny. Look! In the pool, there
are two dolphins. They are playing with __9__ balls. _10__ happy they are !
题型:选择题

计算题:某生产商通过统计分析得:需求函数Q=1000-4P成本函数C=6000+50Q如果公司以利润最大化为定价目标,则其价格为多少时可取得最大利润?最大利润是多少?

题型:选择题

《消防法》第六十条规定,损坏、挪用或者擅自拆除、停用消防设施、器材的,责令改正,对单位处五千以上五万元以下罚款,个人有上述行为的,对个人处警告或者()罚款。

A.1000元以下

B.500元以下

C.100元以下

D.50元以下

题型:选择题

以下文件中,可以成为索赔产生的文件依据有()。

A.设备工程合同

B.业主或设备监理工程师代表的指令、通知、确认函

C.业主或设备监理工程师代表签证的票据

D.现场设备工程施工、安装记录

题型:选择题

PC显示器由两部分组成,其中CRT的监视器的核心是( )。

A.视频信号放大电路

B.显示存储器

C.CRT阴极射线管

D.显示器

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