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27.It is obvious that talking about something behind others is what everyone will not_________.

 e up with     B.keep up with        C.catch up with    D.put up with

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26.Excuse me, would you please_______me_______at the next corner?

  A.set, down        B.let, down       C.keep,down      D.turn down

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25. -Time is_________. It’s likely that we’ll miss the deadline.

  -Don’t worry. We have already got through 80% of the job.

A. giving out       B.using up       C.running out     D.ending up

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24.I have also learned to_________ whole sentences without trying to translate them word for word into Chinese.

  A.absorb         struct       C.modify        D.classify

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23.-Why is the famous althlete absent from the game?

  -He has been________to take part in competitions for a year because of taking drags.

  A.arrested         B.forbidden      C.declined       D.scolded

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22.It’s generally believed that the_________ of the Dragon Boat Festival is to celebrate the great poet Qu Yuan.

  A.resource         B.ambition       C.origin         D.treasure

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第一节:多项选择(共10小题;每小题1分,满分10分)

21.Lucy is a college student who is hard-working, so she passed the College English Test Band 4 at her first__________.

  A.attempt          B.effort         C.struggle        D.factor

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33.(7分)人的肤色正常与白化病受基因A和a控制,正常人与镰刀型细胞贫血症患者受基因B和b控制,两对基因分别位于两对常染色体上。假设白化病基因与相对应的正常基因相比,缺失了一个限制酶的切点。下图图一表示某家族遗传系谱图,图二表示甲、乙、丙3人白化基因或相对应正常基因的核酸分子杂交诊断结果示意图。据图回答下列问题。

(1)图一中,①的基因型为__________,⑥的基因型为____________。

(2)由图二可知,肤色正常基因A经限制酶酶切后,与探针杂交显示的电泳带有_____条,丙的基因型为_________。

(3)已知对③、④进行核酸分子杂交诊断,其电泳结果都与甲相同,则⑨表现为正常的可能性为_________________。

孝感高中2009-2010学年度下学期高二期末考试

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