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11.Color TV was first shown in 1929. It took more than two decades,________,

until 1951, for color broadcasts to begin in the USA.

A. anyway    B. therefore   C. otherwise  D. though

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10.Tom still thinks that The Hurt Locker is ________ Avatar.

A. so great a film as  B. as great film as C. as great a film as  D. as a great as

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9.Miss Li ________ as a biology teacher for fifteen years in our school,

and now she is Party secretary of our city.

A. has worked   B. worked    C. had worked   D. works

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8.-I thought Stephanie and Lee were getting married in June.

-No, that’s ________ her cousin’s wedding is.

A. how  B. when   C. why   D. where

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7.Since its entry into ________ Chinese market, Google has been enjoying

________ legal market access and national treatment.

A. the; 不填  B. 不填; 不填   C. a; the   D. the; a

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5.bathe   A. thick    B.cloth     C.clothing    D. breath

第二节  语法和词汇知识(共15小题;每小题1分,满分15分)

从A、B、C、D四个选项中,选出可以入空白处的最佳选项,并在答题卡上将该项涂黑。

a’s housing price becomes one of the hottest topics during the Two

Sessions, ________ most ordinary Chinese people find it more and more

difficult to buy a flat in cities.

A. though  B. so    C. as   D. where

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4.theory   A. really   B.pioneer    C. therefore    D. diary

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2.throw   A. crowd   B. bowl    C. shower     D. allow3.chemist  A. machine  B. check    C.technique    D. kitchen

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第一节  语音知识(共5小题;每小题1分,满分5分)

从A、B、C、D四个选项中,找出其划线部分与所给单词的划线部分读音相同的选项,并在答题卡上将该项涂黑。

1.autumn   A. fault   B. Australia   C. because    D. aunt

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34.(8分)植物组织培养是克隆植物的一种方法,过程如下图所示,回答相应的问题:

w.w#.w.k.s.5*p;m

  (1)为了获得脱毒植株,外植体往往取自植物的花芽、叶芽等处的分生组织,其原因是        

  (2)培养皿中的培养基除添加营养物质外,还需要添加植物激素,其目的是诱导外植体        

  (3)在生产实践中为获得大量的细胞产物如:紫杉醇,可将①      放入液体培养基中经机械作用分散成单个细胞,制备成细胞浮液,再经过     即可获得大量细胞。

  (4)组织培养过程需要植物生长和繁殖的最适条件,否则在光学显微镜下可能观察到发生        异常,进而使植物出现遗传不稳定甚至不育。

  (5)植物组织培养技术不仅应用于花卉、果树的快速、大量繁殖以及脱毒植株的获取,还广泛用于                   等育种过程中w.w#.w.k.s.5*p;m

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