【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】— 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】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
【单选题】— Do you like this coat, madam? — Well, it’s a bit too large. Do you have _____ one?
【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】According to the second paragraph, in a good bookshop ______.
A.
nobody takes any notice of you
B.
the assistant greets you in a friendly way
C.
you may feel satisfied
D.
you can hear beautiful music
【单选题】According to the text, in a good bookshop _____.
A.
nobody takes any notice of you.
B.
the assistant greets you in a friendly way.
C.
your heart is contented.
D.
you feel that you are in a music shop.
【单选题】—What a fine day today! —Yes,but it’s a bit ________ than yesterday.
【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面上。
【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( )。