31As a teacher, I seldom give my students so difficult a problem ________ they can not work out.
A.that
B.if
C.in order that
D.as
开始考试练习点击查看答案32There are 52 students in Class Two, ______ failed in the physics test.
A.all of which
B.all of them
C.none of whom
D.none of them
开始考试练习点击查看答案33Chopin, ________works are worldfamous, composed some of his music in this room.
A.who
B.whose
C.whom
D.whoever
开始考试练习点击查看答案34Do you remember those days ________ we spent along the seashore very happily?
A.when
B.where
C.which
D.on which
开始考试练习点击查看答案35Human facial expressions differ from those of animals in the degreethey can be controlled on purpose.
A.with which
B.to which
C.of which
D.for which
开始考试练习点击查看答案36The growing speed of a plant is influenced by a number of factors,________are beyond our control.
A.most of them
B.most of which
C.most of what
D.most of that
开始考试练习点击查看答案37Ellen was a painter of birds and of nature, _____, for some reason, had withdrawn from all human society.
A.which
B.who
C.where
D.whom
开始考试练习点击查看答案38What do you think of the suggestion ________ he offered us________ we go to New York for ourholiday?
A.what; that
B.which; which
C.that; that
D.that; what
开始考试练习点击查看答案39The weather that day may not be as good as expected, in ________ case we will have to put off theevent.
A.what
B.that
C.this
D.which
开始考试练习点击查看答案40His movie won several awards at the film festival,was beyond his wildestdream.
A.which
B.that
C.where
D.it
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