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【单选题】
V带传动中,v1 为主动轮圆周速度,v2 为从动轮圆周速度, v为带速,这些速度之间存在的关系是
A.
v1=v=v2
B.
v1>v>v2
C.
v1
D.
v1=v>v2
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【判断题】机械化、半自动化、自动化驼峰调车场应采用道岔自动集中;简易、非机械化驼峰调车场,根据需要可采用道岔自动集中。
A.
正确
B.
错误
【单选题】Youcan take as many as you like because they are free of .
A.
. fare            
B.
. charge       
C.
. money          
D.
. pay
【判断题】托收是借助银行才能实现货款的收付,所以托收是属于银行信用。(    )
A.
正确
B.
错误
【判断题】托收因是借助银行才能实现货款的收付,所以托收是属于银行信用。()
A.
正确
B.
错误
【单选题】--Many people like to _____________ things on the Internet nowadays. --But I ____________ do like that! I enjoy shopping in the Malls.
A.
order; sometimes
B.
ask; never
C.
get; always
D.
buy; seldom
【判断题】非机械化、半自动化、自动化驼峰调车场,应采用道岔自动集中。()
A.
正确
B.
错误
【简答题】Many children like to go to the zoo 31 their parents on 32 . In the zoo, there are many 33 , like elephants, pandas, monkeys, tigers and 34 animals. 35 only live in China. I like them very much. They ...
【单选题】______, the short is in some ways not really new.
A.
Like many another new things
B.
Like much other new things
C.
Like many other new things
D.
Like many another new thing
【判断题】托收是借助银行才能实现货款的收付,所以托收是属于银行信用。( )
A.
正确
B.
错误
【简答题】Many persons like listening to it.
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