2010年全国职称英语理工类（C级）考试真题及答案
Seeing Red Means Danger Ahead
The color red often means danger and by paying attention，accidents can be prevented． In thefuture，the color red also may help__________(51)danger at construction sites．Thanks to new workby engineers，bridge supports or_________(52)kinds of materials could one dav contain a colorswitching material．It will turn red__________(53)a structure collapses or falls apart．
The secret_________(54)the color switching material is a particular type of molecule(分子)． A molecule is a group of atoms(原子)held together by chemical bonds．Molecules come (55)all shapes and sizes，and make up___________(56)．You can see，touch or feel．How a mole． cule behaves depends on___________(57)kinds of atoms it contains，and how thev're held together．
When a polymer(聚合物)containing a color switching molecule called a mechanophore(机械响应性聚合物)which is about to break，it produce a__________(58)．When a polymer withmechanophore molecules becomes"injured"or_______________(59)，one of the mechanophore bonds__________(60)and the material turns red．"It's a really simple detection method．"says NancySottos，one of the scientists who worked on the project． Sottos and her team tested the color switc． hing polymers in their lab．The test__________(61)proved encouraging．
There is a way to get rid of the color．light．When a bright light is shone on the mechanophore．
The broken bond is fixed and the red color____________(62)．This"self-healing"may be a Problemfor engineers．They need to use the color changer in big construction projects that will be
(63)in sunlight．And sunlight will make the mechanophore's warming system_________(64)． Sottos and her fellow scientists still have______________(65)work to do before．The color switc． hing molecules can be used outside the lab．
51．A．throw B．prevent C．create D．keep
52．A．other B．another C．the other D．others
53．A．until B．although C．after D．before
54．A．on B．behind C．under D．down
55．A．for B．in C．from D．at
56．A．nothing B．anyone C．someone D．everything
57．A．why B．how C．what D．where
58．A.color B．trouble C．what D．where
59．A．strong B．soff C．weak D．time
60．A．closes B．breaks C．increases D．bums
61．A．results B．rules C．tools D．methods
62．A．repairs B．controls C．finishes D．disappears
63．A．inside B．beside C．outside D．above
64．A．dangerous B．useless C．helpful D．important
65．A．a part of B．a type of C．a lot of D．a part of
参考答案：
第1部分：词汇选项
1． B[解析]本句话的意思是公司有权在任何时候与他终止劳动关系。provide，offer：提供；continue：继续；只有stop和end同义，为终止、结束的意思。
2． D [解析]本句话的意思是在这个过程中，光能转化成热能。reduce，drop：减少； leave to：留给；只有claange同convert，意为转化。
3． A[解析]本句话的意思是她放弃了工作开始写诗。abantlon：主动放弃，同give up； lost：被动丢失，不符；take the job，搭配不当；create：创造，语意不通。
4． B [解析]本句话的意思是我们非常高兴地宣布今年的业绩辉煌。risky：有风险的； successful：成功的，同booming；failing：失败的；open：开放的。
5． C [解析]本句话的意思是我们一起渡过了艰难的时期。diffocult：艰难，同mugh； long：长时间的；happy：快乐的；short：短时间的。
6． D [解析]本句话的意思是小偷在离村子两英里的地方被抓住了。found：找到；killed：被杀；jailed：投进监狱；caught：抓住，同capturecl。
7． D[解析]本句话的意思是如果我留下来，未来有哪些晋升的机会呢?retirement：退休；advertisement：广告；replacement：替代；advancement：提升、晋升，同promotion。
8． A[解析]本句话的意思是我建议我们下一次会上讨论这个。demancl，order，request均意为强烈的要求；只有suggest意为建议、提议。
9． A [解析]本句话的意思是R0dman见Tony，希望能解决关于他合同上的纠纷。solve：解决，同settle；avoid：避免；mark：标记；involve：陷入，涉及。
10．A[解析]本句话的意思是你能给出一个具体的例子来支持你的观点么?specific：具体的，同concrete；real：真实的；special：特别的；goocl：好的。
11．B [解析]本句话的意思是这幅画太棒了，色彩和光影的运用特别巧妙。large：大； wonclerful：棒、好极了，同fascinating(梦幻的，很好的)；new：新的；famlliar：熟悉的。 (www.xuehuiba.com)编辑整理
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