单选题：第31题 (2.0) 分 Police officers working on the murder have（

单选题：
第31题 (2.0) 分 Police officers working on the murder have（） hundreds of families.
A、asked
B、researched
C、questioned
D、demanded
第32题 (2.0) 分 She（） his number in the phone book to make sure that she had got it right.
A、looked up
B、looked for
C、picked out
D、picked up
第33题 (2.0) 分 （）what the situation would be like,they decided to keep silent.
A、Knowing not
B、Not know
C、Not knowing
D、Having not known
第34题 (2.0) 分 “Which of these two ties will you take?”
A、either
B、both
C、neither
D、all
第35题 (2.0) 分 （）took us several hours to clear the snows and open the road to traffic.
A、They
B、All
C、He
D、It
第36题 (2.0) 分 Of all the problems,this one is of the（） importance.
A、great
B、more
C、less
D、greatest
第37题 (2.0) 分 I（） up early this morning,so I stayed in bed until 8 o’clock a.m..
A、needn’t have got
B、didn’t need to get
C、shouldn’t have got
D、can’t have got
第38题 (2.0) 分 Although she was frightened,she answered with a（） voice.
A、quiet
B、silent
C、still
D、calm
第39题 (2.0) 分 “What do you think of the cake?” “It’s nice.I’d like to have（） .”
A、some other
B、another
C、others
D、other
第40题 (2.0) 分 “Where do you live?”
A、on
B、at
C、to
D、for
第41题 (2.0) 分 I like spring.I hope good weather will（） .
A、go on
B、stay
C、keep
D、continue
第42题 (2.0) 分 The reason why the car was stopped was（） .
A、that the road was slippery
B、due to the slippery road
C、because the road was slippery
D、because of the slippery road
第43题 (2.0) 分 It was the training that he had as a young man（） made him such a good engineer.
A、that
B、has
C、what
D、later
第44题 (2.0) 分 They were all very tired,but（） of them would stop to take a rest.
A、any
B、some
C、none
D、neither
第45题 (2.0) 分 He as well as I（） the suggestion you put forward just now.
A、agree with
B、agree to
C、.agrees with
D、agrees to
第46题 (2.0) 分 Science has made（） possible for machines to take the place of human labour.
A、this
B、that
C、its
D、it
第47题 (2.0) 分 Train services are now back to（） after last week’s strike.
A、ordinary
B、usual
C、normal
D、natural
第48题 (2.0) 分 John was so sleepy that he could hardly keep his eyes（） .
A、open
B、to be opened
C、to open
D、opening
第49题 (2.0) 分 We have studied English for only one year,（） we can perform English short plays already.
A、for
B、and
C、yet
D、or
第50题 (2.0) 分 Don’t be too（） about things you are not supposed to know.
A、strange
B、amusing
C、curious
D、conscious

31-35 CACCD 36-39 DBDB 40 题目不全?
41-45 DAACD 46-50 DCACC