【单选题】It’s necessary that not only ____to see a doctor but also stay at home for a good sleep. A. Bob should go B. did Bob go C. Bob’s going D. should Bob go
【单选题】It’s necessary that he ______ a recognized qualification. A. has B. have C. had D. having
【判断题】在垄断市场中,供给者的平均收益曲线与边际收益曲线处于分离状态。()
【单选题】It’s necessary that _____ them to give us a hand.
【单选题】In order to do something meaningful, it’s necessary that you _______ determine what is really important.
【判断题】在垄断市场中,供给者的平均收益曲线与边际收益曲线处于粘合状态。()
【简答题】It’s necessary that the president ________ in time to attend the meeting. A) came B) will come C) come D) comes
【单选题】在贝尔格题献勋伯格的作品《室内协奏曲》中,第一乐章的三个声部不包括:
【单选题】It’s necessary that an efficient worker________his work on time.
【单选题】why do people eat fish at spring festival?
A.
because it smeans “万事如意年年高”
B.
because we hope we can get more and more next year.
C.
because it looks like gold ingots.