问题
单项选择题
在钻进中，由于各种原因造成地层流体（油、气、水）流人井筒，使钻井液连续或间断溢出井口的现象称为（）。
A.开流
B.紊流
C.溢流
D.气阻
答案
参考答案：C
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在钻进中，由于各种原因造成地层流体（油、气、水）流人井筒，使钻井液连续或间断溢出井口的现象称为（）。
A.开流
B.紊流
C.溢流
D.气阻
参考答案：C
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| Harrods Welcome to the biggest store in Europe--Harrods! If you want to go shopping in London, the best place is Harrods. ◆Harrods is in one of the most expensive areas of London, Knightsbridge. ◆Harrods sells everything. You can buy anything here-- even a plane or an elephant! ◆Harrods is one of the busiest shops in London. Nearly 35,000 people come to the shop every day and more than 4,000 people work here. Harrods is a big shop. It can be difficult to find what you are looking for. Yesterday an Italian girl, Alice, went to Harrods and bought a watch and some chocolate. She found the things with the help of the store guide.
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| 1. What do people think of Harrods? It's very ______ and _____. 2.  is one of the signs Alice saw in Harrods, it means people mustn't _______. 3. Alice went to the ______ floor to buy the watch and the chocolate. 4. The receipt shows how much Alice paid for the things she bought. The total price was ￡______. Which note did she pay with? (A or B)   A B 5. Suppose Alice was on LG in Harrods, write down two things she might buy. __________________________________________________________ |