英语语法练习重点和答案6.docVIP

Ex06 1. As a _______ actor, he can perform, sing, dance and play several kinds of musical instruments. A) flexible B) versatile C) sophisticated D) productive 1． B）versatile意为“多才多艺的”，例如：He is a versatile athlete. 他是一位多才多艺的运动员。flexible意为“灵活的，可变通的”，例如：My holiday plans are very flexible．我的假期计划很灵活．sophisticated 常意为“复杂的，尖端的”，例如：Our country has the most sophisticated weapons．我们国家有尖端的武器。productive意为“富饶的，多产的”，例如：The republicans sought by productive legislation to consolidate the Republic．共和党人试图通过有建设性的法规来巩固共和国。 2. As a defense against air-pollution damage, many plants and animals _______ a substance to absorb harmful chemicals. A) relieve B) dismiss C) release D) discard 2． C）release意为“释放，排出”，相当于 set free，如：They didnt agree to release the accused．他们不同意释放被告。 relieve意为“减轻，减缓”，常用于 relieve sb．of sth．结构中，如：Let me relieve you of your suitcase．我来替你拿提箱。dismiss作“解雇，开除”讲，如：The servant was dismissed for being lazy and dishonest. 这仆人因懒惰和不诚实被解雇了。discard作“放弃，丢弃”讲，如：He is unwilling to discard his beliefs．他不保意放弃自己的信仰。通过对四个词的比较，我们可以看出A），B）和D）均不合适，只有C）为正确答案。 3. As a salesman, he works on a (an) _______ basis, taking 10% of everything he sells. A) income B) commission C) salary D) pension 3． B）commission意为“佣金，回扣”，符合本题题意，如：He receives a commission of 10% on sales, as well as salary. 除了薪水外，他还按销售数量收取10％的佣金。income意为“收入，所得”，如：My income for that year amounted to $1,000. 那年我的收入总共有1000美元。salary则作“（通常按月领取的）薪水，俸给”讲，如：I draw my salary the first day of each month. 我每月第一天领薪水。pension意为“养老金，抚恤金，退休金”，如： In these days of inflation people on pension find it difficult to live. 通货膨胀的时候，依靠养老金生活的人们生活得很艰难。 4. As all of us know, color-blind people often find it difficult to _______ between blue and green. A) separate B) distinguish C) compare D) contrast 4．B）distinguish 意为“辨别，区别”，既可用于 distinguish one thing from another结构，也可以用于distinguish between two things结构，如：People who cannot distinguish between colors are said to be color-blind. 不能辨别颜色的人叫色盲。又如： The twins are so much alike that it is difficult to