厨房炉灶排烟罩的滤油网的清洁周期是()一次。 A.每年 B.每季 C.每月 D.每周

题型:单项选择题

问题:

厨房炉灶排烟罩的滤油网的清洁周期是()一次。

A.每年

B.每季

C.每月

D.每周

考点:锦江之星服务知识竞赛锦江之星服务知识竞赛题库
题型:单项选择题

阅读短文,用所给动词的适当形式填空。

     As we know, Xiao Shenyang and Liu Qian 1_____ (do) wonderful jobs in the CCTV Spring Festival Gala.

Now many people are crazy about these two persons. But how much do you know about them?

     Xiao Shenyang 2_____ (bear) in a poor peasant family which is in difficult family. conditions. His real name

is Shen He. He 3_____ (try) his best to act well. More and more people like his style of performance, and we

hope he can make great progress in the future.

     Liu Qian is a young magician from Taiwan. At the age of 7, Liu 4_____ (see) a cute magic toy in a shop.

At that moment he began to love and decided to learn magic. Liu didn't go to any magic school. He practiced

5_____ (play) tricks every day to improve his skills, until one day he was able to put on a show for his class.

He saw the surprise on everyone's face, and he felt it was cool. He often does street shows for passers-by,

police and farmers. He worked hard at it. Now he is a famous magician.

题型:单项选择题

真空泵的作用是不断的抽出凝汽器内()气体和漏入的空气,()凝汽器的真空。

题型:单项选择题

在生产硅酸盐水泥时,需掺入混合材料,以下哪种水泥混合材料不是活性混合掺料()

A.粒化高炉矿渣

B.火山灰质混合材料

C.粉煤灰

D.石灰石

题型:单项选择题

C++语言类体系中,不能被派生类继承的有( )。

A.转换函数

B.构造函数

C.虚函数

D.静态成员函数

题型:单项选择题

关税的征收对象是进出关境的货物、物品和劳务。

更多题库