皮皮学，免费搜题
登录
搜题
【单选题】
当压力下降到（ ）时，空气呼吸器的报警器发出报警声，使用者应立即撤离现场。 10MPa 15MPaA.
·
B.
5-6MPa
C.
3-4MPa
D.
·
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】“China English” is a term used (often pejoratively) about substandard forms of English encountered in China.
A.
正确
B.
错误
【简答题】China is a 1.3 billion population country. We always speak Chinese. Now we have to study English. English is difficult to study.
【简答题】I have a friend. His name is Eric. He is English. But now he is in China. He is a student. Look! This is his classroom. Thir small desks and thirty chairs are in the classroom. They are for his cl...
【单选题】English as a world Language English is a victim of its own success. Newspapers in England have noticed that the incorrect use of cliches are marring the smooth flow of a great language whose ability t...
A.
it has become the most widely used language in the world
B.
It has made a conquest in Japan and China, which were not colonized by Britain
C.
it has beaten other languages such as French
D.
each state or continent has its own version of English
【单选题】______ China Today is a good way of improving our English.
A.
Having read
B.
Have read
C.
Reading
D.
Read
相关题目：
参考解析：
知识点：
题目纠错 0
发布
