摘要:12.Tall和high的区别是什么?

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 Millions years ago much of our earth was covered with blocks (块) of ice. These ice blocks were as tall as high buildings in modern cities. Most of the ice was in the northern (北方的)part of the world.

Then the ice blocks started to move south. Cold and rain came with the ice. Animals and people had to move.

At last, the ice began to melt (融化). After half a million years, most of it had melted. More than half of the earth became covered with water. The climate became much warmer. Things began to grow. The earth began to look the way it looks today.

1.Millions of years ago our earth was very _________________.

A. warm            B. hot              C. cool             D. cold

2.What did animals and people try to do when the ice blocks moved south?

A. they tried to stop them moving.       B. They tried to melt them.

C. They tried to stay ahead of them.      D. They tried to move behind them.

3.The melting ice maybe helped to form _____________.

A. mountains and valleys              B. the sun, the moon and the earth

C. cities and countries                D. seas, lakes and rivers

4. The underlined word “climate” means _______________.

A. the freezing ice                   B. the weather of the year

C. the moving of the ice blocks         D. a plant or an animal

5. Which of these things maybe happened because the Ice Age ended?

a. Forests grew                     b. Food became harder to find

c. Fishing became easier              d. The temperature dropped.

A. a; b            B. b; d           C. c; d             D. a; c

 

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 Do you carry too much on the way to school or home? Don’t worry.Try e-readers(电子阅读器)and say goodbye to your heavy schoolbag.

       An e-reader has the memory space to hold hundreds of books.So people want to(A)扔掉沉书包 and read with small, light e-readers.For example,Cushing Academy,a high school in Massachusetts,USA,replaced(替换)most of the 20,000 books in (B) its library last summer.Teachers and students will use e-readers instead.

      Most e-readers are thin and weigh less than 500g.They can download(下载)an e-book in 60 seconds.“It's (C) so easy.You can have a lot of books right at your fingers!” said Meghan Chensusky.16.

         Chinese schoolchildren are also trying e-readers.At the Shanghai World Expo(世博会),an e-schoolbag is now on show.It is a special e-reader.Students can use it to download textbooks from the school servers(服务器).(D)It can also send and receive homework.Some Schools in Beijing and Shanghai have tried this e-schoolbag for a few years.“It’s excellent.I (E)don't have to carry a heavy schoolbag anymore,”said Xiao Qi,15,Beijing.

         New e-readers are not just for reading.They have Wi-Fi and multimedia(无线电视和多媒体).Parents worry that these may hurt their children's study habits. “I think Wi-Fi is not necessary for kids,”said Zeng Wenwen,43, Beijing.

1.将文中划线部分(A)译成英语:________________

2.文中划线部分(B)指代的是:________________

3.写出文中划线部分(C)和(E)的同义词或近义词:________ ________

4.将文中划线部分(D)改写为:Homework can also_______ _______and received through it.

5.从文中找出两个修饰或描写e-reader的形容词:________ ________

 

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