第13题:[简答题]根据下面的汉语提示，写一篇题为“Why Should We Learn English”的短文。
(1)英语现已成为一种国际语言；
(2)现在大多数书籍、报纸和杂志都以英文出版和印刷；
(3)学习英语需要耐心。《》（） 参考答案:Why Should We Learn English English language has now become an international?language.Many countries in the world use English and?more people are learning English.Many people who attend?the international conference,go abroad and do business?with foreigners have to speak it.
Nowadays,most of the valuable books,newspapers?and magazines are printed and'published in English.If?we want,to obtain more information and knowledge,we
have to learn English well.English is certainly regarded?as a tool of communication.
Learning English needs patience.It is quite often?for anyone to meet with?trouble while learning English.In this case,to be patient is indeed very important.The?only way for us to learn English well is to memorize new?words,and read English articles patiently and carefully.
第16题: [单项选择]In the cylinder of a diesel engine fuel is ignited by the（） A. spark from a plug in the pre-combustion chamber B. electrical discharge from the distributor C. heat of compression within the cylinder D. heat from the fuel injection nozzle 参考答案:C
第23题: [单项选择]为了保障被保险人的保险利益，大多数国家的保险法都规定了保险人的( )。 A. 保险业务量与实有资本金的比例 B. 保险业务量与净资产额的比例 C. 保费收入与偿付能力的比例 D. 保费收入与净资产额的比例 参考答案:B 答案解析:[解析] 为了保障被保险人的保险利益，大多数国家的保险法都规定了保险人的保险业务量与净资产额(或实有资本金加公积金总额或偿付能力)的比例，这势必限制了保险公司的承保能力。
第24题: [单项选择]下列推销是推销的具体方式的是（） A. 明确目的、加强销售意识服务意识 B. 掌握推销有关的知识 C. 运用不同方法推销 D. 熟悉餐厅的各种酒水和饮料 参考答案:C
第27题: [单项选择]Km值反映酶与底物的亲和力 A. Km值越小，酶与底物亲和力越大 B. Km值越大，酶与底物亲和力越大 C. Km值适中，酶与底物亲和力越大 D. Km值适中，酶与底物亲和力越小 E. Km值适中，酶与底物亲和力适中 参考答案:A 答案解析:Km值越大，酶与底物亲和力越小，Km值越小，酶与底物亲和力越大，用1/Km表示酶与底物的亲和力更加直观，1/Km越大，酶与底物的亲和力越强。
第29题: [单项选择]—My God ! I have to walk home now, for I just missed the bus. —That’s too bad. You （ ） it had you set out a bit earlier. A. should have caught B. had caught C. would have caught D. could catch 参考答案:C
