Question

Imagine if Spider­Man came down from the ceiling to save Yao Ming or Shaquille O'Neal every time they injured their ligaments(韧带)on court.Though this ____ will have to remain a daydream，spider silk may really be able to cure their ____，scientists say.

Thought to be the strongest ____ fiber on the planet，spider silk could be used to rebuild injured ligaments.Randolph Lewis at the University of Wyoming in Laramine has been ____ the idea.

Spider silk has interested scientists for centuries.A(n)____ European folk story at least 2,000 years old tells of the possible medical ____ of spider webs.It said they could help in fighting infections，stopping bleeding and healing wounds.

Researches have found no ____ so far that spider webs can kill germs.But studies on animals have shown that spider silk helps ____ the rejection of medical implants.So Lewis' lab and others are changing spider silk into fibers that they hope might be ____ in medicine.

Researchers have found that spider webs could be used to rebuild ligaments ____ in one of the world's common knee injuries.“We're also ____ spider silk in artificial tendons(腱)．” Lewis said.

Scientists are also ____ spider silk to be used for stitching up(缝合)wounds which will help them heal without scarring(伤痕)．

1.A.hope        B．idea          C．expectation  D．opinion

2.A.wounds      B．diseases      C．colds        D．patients

3.A.man­made    B．valuable      C．natural    D．chemical

4.A.working on  B．carrying out  C．thinking of D．laughing at

5.A.terrible    B．ancient       C．funny        D．unbelievable

6.A.care        B．research      C．value        D．examination

7.A.evidence    B．value         C．experience   D．sense

8.A.reduce      B．increase      C．prevent      D．produce

9.A.helpless  B．useful        C．harmful      D．important

10.A.ruined   B．disabled      C．born        D．damaged

11.A.looking at B．looking after C．looking into D．looking over

12.A.proving  B．developing    C．helping     D．training

Answer

1.B

2.A

3.C

4.A

5.B

6.C

7.A

8.C

9.B

10.D

11.A

12.B

【解析】

1.文章开头就展开想象：to save Yao Ming or Shaquille O'Neal every time they injured their ligaments(韧带)on court且第二段最后一个单词也是提示。故选B项。

2.根据下文可知此处应选A项。

3.根据常识可知蜘蛛丝是天然的纤维。

4.科学家正致力于这个课题的研究。work on“从事于，致力于”。

5.根据下文at least 2,000 years old可知此处指的是古老的民间故事。

6.根据下文fighting infections ...and healing wounds，可知该古老的欧洲民间故事讲到了蜘蛛丝的医用价值，故选C项。

7.根据下文that spider webs can kill germs可知研究人员到目前为止还没找到蜘蛛丝能杀死细菌的“证据”。

8.蜘蛛丝有利于“防止”医疗移植中的排异反应，故选C项。

9.前文are changing spider silk into fibers，可知此处是希望它成为“有用的”药物。

10.根据上文的rebuild，可知是修复受伤的韧带。

11.此处指“我们正在考虑将蜘蛛丝用于人造腱”。look at “考虑”；look after “照顾”；look into“调查，观察”；look over“察看，检查”。

12.根据下文to be used for stitching up wounds，可知科学家在发展、改进蜘蛛丝。prove“证明”；train “训练”。