【简答题】温度计水银球( )应和蒸馏头侧管的下限在同一水平线上。
【简答题】完形填空。 Spend time in a bookshop can be enjoyable. If you go to a good shop, no __ 1 __ will come near to you and say, 'Can I help you?' You __ 2 __ buy anything you don't want. You may try to find out ...
【单选题】In a good bookshop, _________.
A.
all the books there are interesting.
C.
you can find shelter from a shower.
D.
you need to buy something you don’t want.
【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】已知CIF价格为100美元,运费为10美元,保险费为10美元,佣金率为2%,则按CIF计算的佣金是______美元。
【单选题】—What a fine day today! —Yes,but it’s a bit ________ than yesterday.
【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.
【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。
【简答题】Listen and complete the gaps. Where do you think the speakers are? 1. No. It’s a bit ________. 2. Sorry, she’s a bit _______. 3. It’s a bit of a _________. 在下面直接写答案所需单词,其他不要填,否则系统会判错
【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( )。