【单选题】The word 'subject' in the fourth paragraph can be best replied by which of the following words in the same paragraph?
【单选题】欲使水力最优梯形断面渠道的水深和底宽相等,则渠道的边坡系数m应为()。
【简答题】A.That the man can rely on her instead. B.That the man should not bother the director with this. C.That the director will help him out. D.That the man had better not expect much of the director.
【单选题】在工作和生活中经常出现的时间问题不包括()。
【单选题】听力原文: The Internet can show you thousands of job openings all over the world. Use the words 'job search' to find the websites you need. Type in what you want and where you want to work. In a few secon...
A.
Use the words 'job search'.
B.
Make a list of full-time jobs you need.
C.
Type in your name and where you work.
【单选题】欲使水力最优梯形断面渠道的水深和底宽相等,则渠道的边坡系数m应为( )
【单选题】某梯形断面渠道,为使水力最优断面的水深 h 和底宽 b 相等,那么边坡系数 m 应为
【单选题】What can be inferred from the dialogue?
A.
The woman goes to the gym regularly.
B.
The woman works at university.
C.
The man enjoys free exercise.
D.
The man is a college student.
【单选题】水力最优的梯形断面明渠均匀流,边坡系数m=1,粗糙系数n=0.03,渠底坡度i=0.0009。水深A=2m,渠道中流量为( )。