51_____ is even more important is that water began to appear on the earth"s surface.
A.Whether
B.That
C.What
D.Which
开始考试练习点击查看答案52She was no longer the woman___she was.
A.that
B.which
C.what
D.who
开始考试练习点击查看答案53You had better carefully set down ____ is going on all around you.
A.that
B.which
C.what
D.all what
开始考试练习点击查看答案54She wants to make friends with _____ shares her interests.
A.whoever
B.anyone
C.whichever
D.those
开始考试练习点击查看答案55We don"t care about how Obama won the Nobel Peace Prize but _____ matters for us is _____ he will makehis effort to bring a peaceful world to us.
A.that; how
B.which; whether
C.it; that
D.what ; whether
开始考试练习点击查看答案56The world"s population has grown to more than six times _____ it was in 1800.
A.which
B.that
C.what
D.the number
开始考试练习点击查看答案57Do you remember the day___your sister graduatedas a Master of Arts?
A.which
B.on which
C.about which
D./
开始考试练习点击查看答案58People in Chongqing are proud of _____they have achieved in the past ten years.
A.that
B.which
C.what
D.how
开始考试练习点击查看答案59On stepping into the room this morning I was astonished to find the floor covered with ____ looked like tiny insects.
A.that
B.something
C.what
D.anything
开始考试练习点击查看答案60_____ scientist have found recently is that skinny genes can explain why some people are always thin.
A.That
B.Which
C.What
D.When
开始考试练习点击查看答案