内容正文:
课时分层作业(十一)
Ⅰ.单句语法填空
1.The town center has changed recognition.
2.All glass bottles which can't be refilled can (recycle).
3.He (regular) drove from his home to his place of employment.
4.He found something (float) on the lake,which frightened him.
5.His carelessness resulted the terrible accident that happened last night.
6.They may only have a (limit) amount of time to get their points across.
7.I've made this (argue),and not a few people would disagree with me.
8.The lack of water has become a (globe) problem that needs to be solved urgently.
9.They are arguing with their classmates how to figure out the difficult math problem.
10.Across the stream,a man is trying to reach out on the edge of the bank for the fruit with a net (attach) to a pole.
Ⅱ.阅读理解
The year is 2094.It has been announced that a comet (彗星) is heading towards the Earth.Most of it will miss our planet,but two pieces will probably hit the southern half of the Earth.
On 17 July,a four-kilometre-wide piece enters the Earth's atmosphere with a massive explosion.About half of the piece is destroyed,but the remaining part hits the South Atlantic at 200 times the speed of sound.The sea boils and a huge hole is made in the sea bed.Huge waves are created and spread outwards from the hole.The wall of water,a kilometre high,rushes towards southern Africa at 800 kilometres an hour.Cities on the African coast are totally destroyed and millions of people are drowned.
Before the waves reach South America,the second piece of the comet lands in Argentina.Earthquakes and volcanoes are set off in the Andes Mountains.The shock waves move north into California and all around the Pacific Ocean.The cities of Los Angeles,San Francisco and Tokyo are completely destroyed by earthquakes.Millions of people in the southern half of the earth are already dead,but the north won't escape for long.Because of the explosions,the sun is hidden