1、Lesson 17I. 从方框中选择适当的动词并用其适当形式填空。warn reach produce study refuse1. Are these machines _ in this big company?2. I invited her to go to the park with me, but she _ me.3. We _ not to play beside the river, for its too dangerous.4. Dont give up _ and youll succeed in the future.5. Brian is tall enough _
2、 the apples on the tree.II. 根据所给的汉语用适当的词语填空。1. What will you do if an _（地震）happens?2. How many _（物体）are there floating on the river?3. What _（系统）does your computer have?4. Keeping _（镇静）is the first important thing.5. Carelessness may _（导致）many accidents.III. 选择正确的答案填空。( )1. Everyone _ there will be
3、an accident here. But nobody wants to leave.A. hear B. hears C. find D. finds( )2. Swimming pools_ to be good places for us to swim.A. think B. are thought C. have thought D. will think( )3. The meeting on the traffic accidents _ over. We can go home in no time.A. will be B. has been C. was D. is( )
4、4. She _ off the lights, so many people couldnt find the way.A. would turn B. was turning C. had turned D. has turned( )5. Sally is new here, so we know _ about her at all.A. nothing B. something C. everything D. anythingIV. 根据所给的汉语完成下面的句子，每空一词。1. 今天上午我这里发生了一件奇怪的事情。A strange thing _ _ me this mornin
5、g.2. 他们不需要躲藏在桌子下面。They _ _ _ _ under the table.3. 请尽快向空旷的地方跑。Please run to open areas _ _ _ you can.4. 危险的情况又发生了。_ _ took place again.5. 什么方法能保护我们自己呢？What way can _ _?Lesson 17I. 1. produced 2. refused 3. are warned 4. studying 5. to reachII. 1. earthquake 2. objects 3. system 4. calm 5. causeIII. 15 DBACAIV. 1. happened to 2. dont need to hide 3. as fast as 4. Something dangerous 5. protect ourselves
