【单选题】— Four dollars a pair? I think it’s a bit too much. — If you buy three pairs, the price for each will _______ to three fifty.
【单选题】有两个调定压力分别为 5MPa 和 10MPa 的溢流阀并联在液压泵的出口,泵的出口压力为( )
【单选题】—— Do you mind my opening the window? It’s a bit hot in here. —— , as a matter of fact
【单选题】In a good bookshop __________ 查看材料
B.
the assistant greets you in a friendly way
C.
you feel as if you were in a music shop
D.
you find yourself satisfied with browsing
【判断题】温度计水银球下限应和蒸馏头侧管的上限在同一水平线上。
【单选题】有两个调定压力分别为5MPa和10MPa的溢流阀串联在液压泵的出口,泵的出口压力为( )。
【单选题】有两个调定压力分别为5MPa和10MPa的溢流阀串联在液压泵的出口,泵的出口压力为()
【单选题】In a good bookshop ______.
A.
nobody takes any notice of you
B.
the assistant greets you in a friendly way
C.
you feel as if you are in a music shop
D.
you find yourself satisfied with browsing
【单选题】According to the passage, what will happen when one is in a good bookshop?
A.
Nobody will take notice of you.
B.
You will feel as if you were in a music shop.
C.
You will find yourself undisturbed and satisfied with your own browsing.
D.
The assistant will follow you wherever you are and recommend good books to you.