新知识· 预习探索 词汇热身 Ⅰ.根据音标和词义写出下列单词 1./ l t n tIv/alternative ________ (adj.) 替换的；供选择的 resource (n.) 资源 2./rI z s/________ material (n.) 材料 3./m tI ri l/________ urban (adj.) 都市的；城市的 4./ b n/________ arrest (vt.) 逮捕；拘留 5./ rest/________ fire (vt.) 开火；启动 6./faI /________ 7./ lImIt/________ limit (n.) 范围 8./k mɑ nd/command ________ (n.) 命令；指令 charge (n.) 费用；价钱 (vt.)要价；指控 9./t ɑ d /________ 10./swIt /________ switch (n.) 开关 (vi.)交换；调换 attach (vt.) 系；贴；连接 11./ tæt /________

Ⅱ.用所给单词的不同形式填空 criminal who shot people at the railway 1.The police caught the ________ station and asked him why he made the ________.( crime) crime predicted there would be people living on the Mars 2.The scientist ________ in 2050. His prediction ________, I think, won't come true. (prediction) 3.A lack of sleep can make you ________ losing good health so risk risky it's ________ to stay up every night.(risky) 4.At the workplace I ________ goods onto the ships and at home load I often ________ download music from the Internet. (load) 5.The car is powered ________ by solar energy. It's beyond my power ________ to repair it. But I think solar energy will have a powerful ________ effect on us.(power) 6.He is a ________ disabled person. In other words, he is a person with ________.(disability) disabilities

Ⅲ.根据语境猜测黑体短语的含义 1.One thing's for sure—once the baby is born, your life will never be the same again.( ) 2.Time is running out. Let's hurry.( ) 3.Who will you rely on when you're in trouble?( ) 4.We should think of ways to get rid of crimes.( ) 5.I want to know if the food is free of charge.( )

答案：1.肯定的 2.用完 3.依靠 4.除掉 5.免费的

Ⅳ.根据汉语提示写出相应的短语 1.Lots of recycled materials ________________(例如，像) steel, glass, paper and wood will be used. 2.Nowadays we often ________________(订购) for clothes online. 3.________________(一按开关) the color of the car will change. 4.Who will ________(执行，完成) the plan instead of me? 5.She ________(用完) all the hot water when she had a bath.

答案：1.such as out http://ed up

2.place orders

3.At the flick of a switch

4.carry

篇章理解 速读文章并选出最佳答案 1.The writer thinks it ________ to make predictions. A. easy B. simple C. dangerous D. common

答案：C

2.What kind of energy will we mainly rely on in the future? A. Coal and oil. B. Solar energy. C. Traditional energy. D. Alternative energy.

答案：D

3.What's the function of a garbage ship? A. To be used to replace spaceships. B. To be used to build cities. C. To be used to replace ordinary ships. D. To be used to solve environmental problems.

答案：D