While I ______the morning paper, a headline caught my eye.A.have readB.was readingC.had re
While I ______the morning paper, a headline caught my eye.
A.have read
B.was reading
C.had read
D.am reading
While I ______the morning paper, a headline caught my eye.
A.have read
B.was reading
C.had read
D.am reading
____initial recognition while still quite young.
A.Most famous scientists achieved
B.That most famous scientists achieved
C.Most famous scientists who achieved
D.For most famous scientists to achieve
According to the last paragraph, which of the following is NOT true?
A.Adult chimps hunt monkeys while young chimps fish for termites.
B.The main source of animal protein for male chimps is colobus monkeys.
C.The main source of animal protein for female chimps is termites.
D.Female chimps fish for termites while watching their children.
A、I bought a book yesterday and it was written by Mo Yan.
B、Yesterday I bought one of Mo Yan’s books.
C、Yesterday I bought a book written by Mo Yan.
D、The book that I bought yesterday was written by Mo Yan.
在加速器中用带电粒子照射靶核制备的正电子发射核素 ()
A、I、Mo、Xe
B、Mo、I、Cr
C、ln、Ga、Tl、I
D、F、C、O
E、以上都不是
证明:定理6.6中,,情形时的罗比达法则.
(I)
(ii)存在Mo>0,使得f与g在(Mo,+∞)内可导,且g'(x)≠0;
(iii)(A为实数,也可为±∞或∞)则
How do you like the book? ---It's quite different from the one what I read last month. ()
I can't go — for one thing, I have no money, and ______ , I have too much work.
A.what's more
B.as well
C.for another
D.in addition
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