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【单选题】

A number of animals __ on the earth because of pollution.
[ ]

A.
disappear
B.
appear
C.
disappears
D.
appears
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【单选题】Jack spends much money on books ________ he is not so rich.
A.
though
B.
when
C.
if
D.
because
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【单选题】Let's ask ___________for help. [ ]
A.
he
B.
him
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【单选题】Do you ___________ the gym to play badminton? [ ]
A.
go
B.
go to
C.
to go
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【单选题】—_______is it from your home to school? —It's three miles. [ ]
A.
How long
B.
How far
C.
How often
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【单选题】—Where is your ruler? —_______ in the pencil case．[ ]
A.
They are
B.
It's
C.
This is
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【简答题】（本小题满分12分）某公司为庆祝元旦举办了一次抽奖活动，现场准备的抽奖箱里放置了分别标有数字1000、800、600、0的四个球（球的大小相同）．参与者随机从抽奖箱里摸取一球（取后即放回），公司即赠送与此球上所标数字等额的奖金（元），并规定摸到标有数字0的球时可以再摸一次，但是所得奖金减半（若再摸到标有数字0的球就没有第三次摸球机会），求一个参与抽奖活动的人可得奖金的期望值是多少元．
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【单选题】The doctors arrived __________there at 9.00 p.m..
A.
to
B.
at
C.
in
D.
/
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【单选题】The village is ________ the mountains.[ ]
A.
among
B.
between
C.
in the middle
D.
along
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【单选题】--- A serious Tsunami hit Japan on March 11th,2011--- ________ news!
A.
How terrible
B.
What terrible
C.
How a terrible
D.
What a terrible
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【简答题】找出每组单词中不属于同一类的词，将其序号填写在括号里。( ) 1. A. leaves ( ) 2. A. elephant ( ) 3. A. where ( ) 4. A. ostrich ( ) 5. A. live B. wolfB. lion B. what B. forest B. eat C. kangaroo C. panda C. school C. camel C. meat ...
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