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27. If you think that the illness might be serious, you should not    going to the doctor.

    A. put off         B. set about       C. hold back       D. give away

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26. Only ticket – holders were      to the stadium for the concept given by Jay Chou, so many of his fans were turned away.

    A. allowed        B. asked          C. agreed         D. admitted

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25. --- Jim managed to get into his house without the key.     ?

   ---I don’t know. He might have asked someone for help.

    A. What for        B. Guess how      C. So What        D. Who knows

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24. During your stay in Britain, you’ll face culture shock      language problems.

    A. as far as        B. as long as       C. as good as      D. as well as

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23. --- I try to memorize new words every day, but can only remember few of them.

   --- That’s not surprising. Newly – learnt words are easily forgotten unless frequently    

in communication.

    A. used           B. using          C. to use         D. be used

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22. It took the early settlers more than 150 years to build up     is now a modem city.

    A. where          B. which          C. what           D. that

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第一節(jié):?jiǎn)雾?xiàng)填空(共15小題,每小題1分,滿分15分)

從A、B、C、D四個(gè)選項(xiàng)中,選出可以填入空白處的最佳選項(xiàng)。

21. --- Let’s discuss the question raised last night, shall we?

   --- There is no hurry for that. I     for a conference.

    A. headed         B. was heading     C. am heading     D. have headed

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31、(10分)某科研單位在調(diào)查湖水中細(xì)菌的污染情況時(shí)進(jìn)行了實(shí)驗(yàn)。實(shí)驗(yàn)包括制備培養(yǎng)基、滅菌、接種及培養(yǎng)、菌落觀察計(jì)數(shù)。

(1)培養(yǎng)基中含有蛋白胨、淀粉分別為細(xì)菌培養(yǎng)提供了___________________。對(duì)培養(yǎng)基進(jìn)行滅菌,應(yīng)該采用的方法是___________。接種時(shí)通常采用       方法,把聚集的菌種逐步分散到培養(yǎng)基的表面如果提高培養(yǎng)基中NaCl的濃度,可以用于篩選耐鹽細(xì)菌,這種培養(yǎng)基被稱為____________。

(2)該細(xì)菌所含的耐鹽基因可通過酶切法獲取,作為基因工程中的目的基因?qū)胄←溨,其過程如右圖所示。其中A為    ,耐鹽基因的小麥細(xì)胞還應(yīng)經(jīng)過       ,在此過程中還將使用             兩種植物激素,從而最終可獲取含耐鹽基因的小麥植株,當(dāng)然這些小麥植株并不一定具有耐鹽的特性,這是因?yàn)?u>            

           。若在遺傳過程中小麥植株丟失1條染色體,則不能產(chǎn)生正常配子而高度不育,則可用        處理幼芽,以便獲得可育植株。

(3)圖中C還可用于其他工程細(xì)菌中,若成功導(dǎo)入大腸桿菌內(nèi),則可能使大腸桿菌獲得哪些特性?                    

貴州省晴隆一中2009年高中畢業(yè)班理科綜合高考模擬試卷

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