Unit 3 Inventors and inventions grammar课时作业

　　Ⅰ.单句语法填空

　　1．Having been here for two years, I have been accustomed to ________ (live) in such a noisy place.

　　答案：living　be accustomed to (doing) sth. "习惯于(做)某事"。

　　2．People can easily become ________ (mental) addicted to drugs when they start taking them.

　　答案：mentally　句意：当人们开始吸毒时，他们可能会很容易从精神上依赖毒品。副词作状语修饰谓语动词短语become addicted to。

　　3．It is easy for adolescents to get ________ the bad habit of smoking.

　　答案：into　get into the habit of ... "养成......习惯"。

　　4．The driver was to blame for his careless driving, so a lot of money was due to ________ (pay) by the driver.

　　答案：be paid　be due to do ... "应该做......"。pay与money之间为逻辑上的动宾关系，故应填be paid。

　　5．________ (addict) to poetry, he hoped one day to be a poet himself.

　　答案：Addicted　(be) addicted to ... "沉迷于......"，此处为过去分词在句首作状语。

　　6．Farmers are now worried that the rain will have a very bad effect ________ the crops.

　　答案：on　have a bad effect on ... "对......有坏的影响"。

　　7．It is a shame __________ we should have lost such an important customer.

　　答案：that　It is a shame that ... "真可惜/真遗憾......"，为固定句式。

　　8．You will risk ________ (get) wet, because it may rain.

　　答案：getting　risk doing ... "冒险做......"。

　　9．I feel ________ my duty that I should devote myself to teaching.

　　答案：it　句意：我感到致力于教学是我的责任。it在句中作形式宾语，that从句为真正的宾语。

　　10．It is the second time that he ________ (participate) in the Olympic Games.

　　答案：has participated　It/This/That is/was the first/second ... time that sb. have/had done sth. "这/那是某人第一/二......次做某事"。

　　Ⅱ.单句改错

　　1．I'm not accustomed to get up so early to do morning exercises.

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　　答案：get→getting　be accustomed to doing ... "习惯于做......"。

　　2．He was determined to do it even at risk of being laughed at.

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