Unit 5 The power of nature课时作业

Learning about language

Ⅰ.单句语法填空

　　1．The difference of spelling between American English and British English is often puzzling(puzzle)．

　　2．Yesterday witnessed(witness) the traffic accident occurring on the highway.

　　3．Several years ago scientists assumed(assume)there was no animal life on Mars.

　　4．His sudden disappearance(disappear) has puzzled the police for a long time.

　　5．As the sky is rather dark, there is no doubt that there is a good possibility(possible) of rain tonight.

　　6．It must be evident(evidence) to all of you that he has made a mistake.

　　7．There are two new houses under construction(construct)．

　　8．In some developed countries, it is against the law to dismiss(dismiss) a worker without reason.

　　9．He got an injury(injure) to his back when he fell off his horse.

　　10．Hearing the joke, all the students burst into laughter(laugh)．

Ⅱ.单句改错(每小题仅有1处错误)

　　1．They must have made up of the story. I can't believe it.

　　去掉of

　　2．Many people are injuring in the serious accident.injuring→injured

　　3．The case the police are looking for seems mysterious.

　　for→into

　　4．There is no possibility when your phone has been left in the hotel.

　　when→that

　　5．Two witnesses with the accident said the driver appeared to be drunk.

　　with→to

III.阅读理解

Angela Erdmann aged 62，who lives in Berlin，never thought that one day she would receive a letter from her grandfather who had been dead for 69 years.So she felt