27.It is well known to all that water, ______ enough, can change into ice quickly.
A.if cooling B.though to be cooled
C.when cooled D.when is cooled
26.I would love ______ to the party that evening, but I had an unexpected visitor.
A.to go B.to have gone C.going D.having gone
25.Thomas _____ in inventing many electrical machines
A.was successful B.succeed C.was success D.successes
24.The Changjiang River has been polluted badly and is not good _______.
A.to swim it B.to be swum in
C.to swim in it D.to swim in
23.I think he must have seen me at the meeting last night, ______?
A.didn’t he B.don’t I
C.do I D.mustn’t he
22.The ______ look on his face suggested that he ______ that he would fail in the Maths test.
A.surprising; wouldn’t expect B.surprising; hadn’t expected
C.surprised; hadn’t expected D.surprised; shouldn’t expect
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21.______ good, this kind of fruit sells very well in our city.
A.Taste B.Being tasted
C.Tasting D.Having been tasted
第二节(共15小题;每小题1.5分,满分22.5分)
听下面5段对话或独白。每段对话或独白读两遍。
听第6段材料,回答第6、7题。
6.How many 5-dollar bills does the woman want to have?
A.4. B.2 . C.3.
7.What is the woman probably going to do later?
A.Do some shopping.
B.Take a bus.
C.Break a million-dollar bill.
听第7段材料,回答第8至10题。
8.What is the woman looking for?
A.A pair of socks. B.A pair of shoes. C.A pair of gloves.
9.Why doesn’t the woman want the first pair?
A.They’re not warm enough.
B.They’re out of fashion.
C.They’re too expensive.
10.How much will the woman pay?
A.30 dollars. B.36 dollars. C.40 dollars.
听第8段材料,回答第11至13题。
11.What kind of seats does the man book?
A.Seats downstairs. B.Seats upstairs. C.Expensive seats.
12.How much should the man pay totally?
A.$19. B.$42. C.$34.
13.When does the man plan to see the movie?
A.On October 8th. B.On October 21st. C.On October 25th.
听第9段材料,回答第14至17题。
14.Who will take the woman to the party?
A.Sam. B.Aristina. C.Robert.
15.What colour are the man’s eyes?
A.Black. B.Blue. C.Brown.
16.What do we know about the woman?
A.She has left the man a firm impression.
B.She will wear colourful clothes.
C.She has given the man 30 photos of hers.
17.What is the probable relationship between the speakers?
A.Strangers. B.Colleagues. C.Relatives.
听第10段材料,回答第18至20题。
18.What do we know about the man?
A.He works for Tooth-cream Limited Company.
B.He is an experienced salesman.
C.He is looking for a job.
19.Which is the man’s opinion of being a salesman?
A.He should be pleasant and humorous.
B.He should make people believe him.
C.He should be a good talker.
20.What does the woman tell the man to do now?
A.Work as a secretary.
B.Try to act as a salesman.
C.Act as an interviewer.
31.(共15分,其中第Ⅰ题每空2分,第Ⅱ题每空1分)
Ⅰ.在一个远离大陆且交通不便的海岛上,居民中患有甲种遗传病的占1/1600(基因为A、a)。岛上某家族系谱中,除患甲病外,还患有乙病(基因为B、b),两种病中有一种为红绿色盲,请据图回答问题∶
![]()
(1)__ 病为红绿色盲病,另一种遗传病 遗传病(请写遗传方式)。
(2)Ⅲ-11的基因型为 ,
(3)若Ⅲ-11与该岛一个表现型正常的女子结婚,则其孩子中患甲病的概率为 __ 。
(4)若Ⅲ-11与该表现型正常的女子已生育一患甲病的孩子,则再生一个孩子为甲病的几率是 。
(5)Ⅱ-5和Ⅱ-6生育一个完全健康孩子的几率是 。
Ⅱ.Duchenne肌营养不良症是由法国神经学家Duchenne在19世纪60年代发现的一种遗传病,患者均不能存活至婚育年龄,20岁之前因心力衰竭或呼吸困难而死去。下图是某个家族此遗传病的系谱,请回答:
![]()
(1)由图推断,该致病基因最可能是 遗传病。图中Ⅲ-4和Ⅲ-5再生育一个患病男孩的概率为 。
(2)经调查,世界范围内每3500个男孩中会有一个Duchenne肌营养不良症患者,则该病在女性中出现的几率为 。
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