【判断题】V带传动的中心距和小带轮的直径一定时,若增大传动比,则带在大带轮上的弯曲应力将增大。
【单选题】V带传动的中心距和小带轮的直径一定时,若增大传动比,则带在小带轮上的包角将_______。
【单选题】Which of the following about El Niño is TRUE according to the information given in the passage?
A.
The exact physical mechanisms of El Niño have not been discovered yet.
B.
The unusual nature of the 1997—1998 El Niño had been predicted before it occurred.
C.
The end of a strong El Niño can be predicted by using several forecast models.
D.
Many computer forecast models were very effective in predicting the rapid development of the 1997—1998 El Niño.
【多选题】V带传动的中心距和小带轮的直径一定时,若增大传动比,则带在小带轮上的包角将_,带在大带轮上的弯曲应力将_
【单选题】测试过程的4项基本活动是测试策划、测试设计、_______和测试总结。
【单选题】听力原文:M: I'm wondering if I could possibly schedule an appointment with Mr. Kelly this week. W: Let me see. On Monday, he will be in Paris for a meeting, and it will take him three days there then he w...
A.
Mr. Kelly will be in Paris on Thursday.
B.
Mr. Kelly will attend a meeting on Thursday.
C.
Mr. Kelly will probably meet this man this week.
D.
Mr. Kelly will have a full schedule this week.