某井钻进中泵压由24Mpa突然降至20.5Mpa,检查地面没有问题,可能的原因是:钻具刺漏。
参考答案:错
用所给单词的适当形式填空。
小题1:There was an _________ (argue) happened between Tom and Jack last night.
小题2:You are wrong , and I _______(agree) with you.
小题3:Will there be (few) schools here in the future?
小题4:The teenagers have to work hard because of the _________ (press) from their parents.
小题5:The tried boys are complaining about ______(do) so much work..
---What do you think of these two books?
---_________ of them are interesting. And I’ve read them several times.
A.Both
B.Neither
C.None
D.Either