搜题请搜索小程序“爱下问搜题”
问题 单项选择题

奥氏体不锈钢压力容器用水进行液压试验后，应立即去除水渍，无法达到这一要求时，则应控制水中的氯离子含量不超过（）。

A、15mg/kg

B、25mg/kg

C、35mg/kg

D、45mg/kg

答案

参考答案：C

选择题

下列词语中有错别字的一项是（  ）

A．湓浦浔阳门轴虾蟆轻拢慢捻杀人如麻

B．铮铮唧唧瑟瑟嘈嘈钿头银篦满面春风

C．呕哑嘲哳红绡宵柝花天酒地司马青山

D．环佩鱼凫六幺卢家教学相长庄周梦蝶
查看答案
完形填空

In order to know a foreign language thoroughly(彻底地), four things are necessary. Firstly, we must understand the language when we hear  ______小题1:________ spoken.. Secondly, we must be able to speak it correctly with confidence(自信) and without hesitation(犹豫). _____小题2:_______ , we must be able to read the language , and fourthly, we must be able to write it. We must be able to make sentences that are grammatically correct.

There is no easy way to success _____小题3:_______ language learning. _____小题4:________ good memory is of great help, but it is not enough only _____小题5:________(memorize) rules from a grammar book. It is not much use learning by heart long list of words and ______小题6:_________meaning, studying the dictionary and so on. We must learn by using the language. _______小题7:_______we are satisfied with only a few rules we have memorized, we are not really learning the language. “Learn through use” is a good piece of _____小题8:______(advise) for those ______小题9:______are studying a new language. Practice is important. We must practise speaking and ____小题10:____(write) the language whenever we can.
查看答案