11、 His hand shook a little as he__________ the key in the lock．
A．squeezed
B．inserted
C．stuffed
D．pierced


12、 A study shows that students living in non-smoking dorms are less likely to __________ the habit of smoking．
A．make up
B．turn up
C．draw up
D．pick up


13、 The machine looked like a large,__________ , old-fashioned typewriter．
A．forceful
B．clumsy
C．intense
D．tricky


14、 __________that he wasn't happy with the arrangements, I tried to book a different hotel．
A．Perceiving
B．Penetrating
C．Puzzling
D．Preserving


15、 "You try to get some sleep． I'll __________ the patient's breakfast," said the nurse．
A．see to
B．stick to 
C．get to
D．lead to


16、 __________ elephants are different from wild elephants in many aspects, including their tempers．
A．Cultivated
B．Regulated
C．Civil 
D．Tame


17、 The most basic reason why dialects should be preserved is that language helps to __________ a culture．
A．retain 
B．relate
C．remark
D．review


18、 The situation described in the report__________ terrible, but it may not happen．
A．inclines
B．maintains 
C．sounds
D．remains


19、 With the increasing unemployment rate, workers who are 50 to 60 years old are usually the first to be__________．
A．laid off
B．laid aside 
C．laid out
D．laid up


20、 I'm __________ enough to know it is going to be a very difficult situation to compete against three strong teams．
A．realistic
B．conscious 
C．aware 
D．radical

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