()我厂气压机为式气压机A、离心B、往复C、轴流

题型:单项选择题

问题:

()我厂气压机为式气压机

A、离心

B、往复

C、轴流

考点:催化裂化装置操作工中级催化裂化装置操作工中级催化裂化装置操作工题库
题型:单项选择题

阅读理解。

     Mr Lu is a teacher of English. He isn't young,   but he isn't old. He is a tall man.  He has a round face and black hair.

There are fifty students in his class. They all like him. Now it's five p.m.. Look,  some students are still working at their

English in the classroom. What is Mr Lu doing? He is helping them with their English. He's a good teacher and a good

friend of his students, too.

1. Mr Lu is       

A. young

B. tall

C. old

D. thin

2. What can we know about Mr Lu?

A. He is having an English class at five p.m.

B. There are forty students in his class.

C. He has a round face and black hair.

D. He has a square face and black hair.

3. At 5 o'clock in the afternoon, the English teacher          

A. goes home

B. is in his office

C. is in the classroom

D. walks

4. The students work hard. They want           

A. to learn English well

B. to play games after they finish their homework

C. to play with their English teacher

D. to play with cats

5. Which is not true?

A. Students are doing their homework in the classroom after class.

B. Mr Lu is a middle-aged man

C. Mr Lu wants to help them with their English

D. Mr Lu is an English teacher

题型:单项选择题

如图是一种水晶球样的生态球,该水晶球密封,内装有水、两条小鱼,底部有泥沙,并生有一些水藻,妙在小鱼和水藻都是活的.下列有关叙述不正确的是(  )

A.该生态球是一个小小的生态系统,必须有段时间放在阳光下

B.水藻是生产者,小鱼是消费者,且生态球内也必有分解者

C.此生态系统结构简单,能持久维持生态平衡,说明其中的能量可循环流动

D.该生态球中的食物链是水藻→小鱼,其中箭头可表示能量从水藻流向小鱼

题型:单项选择题

中 * * 党不断坚持理论创新,分别在党的历次会议中把毛 * * 思想、邓 * * 理论和“三个代表”重要思想确定为党的指导思想并写入 * * 。这三次会议依次是()

A.七大、十五大、十六大

B.遵义会议、十一届三中全会、十六大

C.遵义会议、十五大、十六大

D.七大、十一届三中全会,十五届七中全会

题型:单项选择题

下列对顾客表示歉意的用语,最规范的是()。

A.不好意思!

B.请原谅!

C.请多多包涵!

D.对不起!

题型:单项选择题

企业网银用户证书到期后,应及时到农信社(行)营业网店办理()业务。

A.证书下载

B.证书补发

C.证书换发

D.USBKEY初始化

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