【单选题】发射卫星去探测宇宙背景辐射的最直接的原因是()。
【单选题】下列( )哪种构造是识别变质岩的重要特征。
【单选题】The car was in good working ______ when I bought it a few months ago.
【单选题】I bought a dress for only 20 dollars in a sale; it was really a good ______.
【单选题】— What do you think of this novel? — _________
C.
I bought it yesterday.
【单选题】发射卫星去探测宇宙背景辐射的最直接的原因是()。
【单选题】听力原文:W: Has your brother bought this book yet? M: He bought a history book,but the English textbook was sold out. Q: Which book has the man's brother got? (5)
【单选题】I have bought a good book, _____ that will surely interest _____ of the students. [ ]