Unit 5 Nelson Mandela-a modern hero grammar课时作业

Ⅰ.单项填空

　　1．We hold a meeting every year in honour of those people who lost their lives in____________our motherland.

　　A．defending B．fighting

　　C．preventing D．struggling

　　解析：　句意为：我们每年都召开会议来纪念那些为保卫祖国而牺牲的人们。defend保卫，保护。

　　答案：　A

　　2．-The first one____________will get a beautiful gift.

　　-All right.

　　A．arrived B．arrives

　　C．to arrive D．arriving

　　解析：　句意为：第一位到达的可得到一份精美礼品。由序数词或形容词最高级修饰的名词后常用不定式作定语，故选C项。

　　答案：　C

　　3．Smoking is one of the____________causes of cancer，killing millions of people each year.

　　A．major B．similar

　　C．commercial D．chemical

　　解析：　句意为：吸烟是引发癌症最主要的原因之一，每年有数百万的人丧生。commercial商业的；similar相似的；major主要的；chemical化学的。由句意可知选A。

　　答案：　A

　　4．All the workers admired the way____________the manager dealt with the problem.

　　A．by which B．which

　　C．in what D．that

　　解析：　句意为：所有的工人都很佩服经理处理这个问题的方法。此处way作先行词，其后的定语从句可以用that或in which引导，亦可省去引导词。

　　答案：　D

5．Jack wasn't saying anything，but the teacher smiled at him____________he had done something very clever.