1、Section Integrating Skills课时演练促提升一、单词拼写1.The scientist often goes to the (观察台)to observe the stars in the evening.答案:observatory2.It will cost a(n) (巨大的) amount of money to build the dam.答案:enormous3.The old man died on a(极冷的) cold night.答案:freezing4.What a r idea!How can you think of it?答案:ridiculo
2、us5.On a f day,its difficult to see things clearly.答案:foggy6.An airplane c west of Denver last night and many people were killed.答案:crashed7.Zhangjiajie is the most (迷人的) place Ive ever been to.答案:fascinating8.They were (震惊的) to find that the driver was only a ten-year-old boy.答案:astonished二、完成句子1.B
3、ut all of this cannot come to pass until we (结束) the civil war in that country.答案:brought an end to2.In my opinion,this one should be (在顶端) your list.答案:at the top of3.Come inside.You must be (冻得要命).答案:freezing to death4.A truck went out of control and (撞上) the back of the bus.答案:crashed into5.She l
4、ooks 50 years old but (实际上) shes more than 60 years old.答案:in fact三、阅读理解Probably you have seen photographs of the Grand Canyon,the great valley in the desert country of Arizona.But you must go there yourself to feel its true size and beauty.The Grand Canyon is one of the greatest natural wonders of
5、the world.The Colorado River formed the Grand Canyon over millions of years.Slowly,the river cut down through hard rocks.At the same time,the land was rising.Today,the canyon is one and a half kilometers deep and 446 kilometers long.The oldest rocks at the bottom of the canyon are more than one bill
6、ion years old.The width varies from about 200 meters to 29 kilometers across.The rim or top of the canyon is about 2,300 meters above sea level on the South Rim,and about 3,000 meters on the other side,the North Rim.As a result,there are different kinds of plants and animals on opposite sides of the
7、 canyon.The South Rim is a dry desert country.The North Rim has tall forests.The canyon looks different at different times of a day,and in different seasons and weather.At sunrise and sunset the black,gold,brown,and orange colours of the rocks are especially clear and bright.In winter,the canyon is
8、partly covered with snow.The view from the South Rim of the Grand Canyon is the best.Most visitors come to the South Rim and stay in campgrounds or hotels.Every point along the canyons edge offers a different view.The North Rim of the Canyon is quieter.It takes all day to drive there from the South
9、Rim because there is only one bridge across the Colorado River.On the way,you go through Navajo Indian lands,and a colourful pink desert called “The Painted Desert”.You can walk down into the Grand Canyon,or you can go down on the back of a mule.You can also take a boat trip down the Colorado River,
10、and camp on the beaches at night.But whether you see the Grand Canyon from the top or the bottom,it will be an experience that you will never forget.1.The best way to feel the size and beauty of the Grand Canyon is .A.to see its photographsB.to listen to the report about itC.to travel there yourself
11、D.to watch the TV program about it答案:C解析:由第一段中“But you must go there yourself to feel its true size and beauty”可知答案为C项。2.What made the Grand Canyon?A.The earthquake.B.The water from the Colorado River.C.The American people.D.The strong wind.答案:B解析:由第二段首句“The Colorado River formed the Grand Canyon ov
12、er millions of years”可知B项正确。3.The sea level on both sides of the Grand Canyon is .A.the sameB.changing with timeC.differentD.very low答案:C解析:由第二段的“The rim or top of the canyon is about 2,300 meters above sea level on the South Rim,and about 3,000 meters on the other side,the North Rim.”可知。4.From the passage we can know that the of the canyon is different at different times.A.lengthB.sceneryC.widthD.height答案:B解析:由第三段可知大峡谷在不同的时间景色不同。