【正文】
most scientists thought the moon was _____. of the earth billions of years earlier than the earth pla caught by the earth’s gravity of the same things as the earth ( ) years of study, most scientists now think _____. earth was once part of the moon moon was once part of the earth about the size of Mars will hit earth in the near future lot of rocks will slowly join together to bee the other moon ( ) writer wants to tell us in this passage_____. people are interested in the moon ideas about the moon have changed over time the moon came from in the past people have finally learned the truth about the moon ( ) this passage we can learn that _____. in the past were not clever are so clever that they know everything information brings new ideas now know everything about the moon (2x3) Most new babies were born in the developing countries. These countries are found in Africa, South America and parts of Asia. In the developed countries of Europe and North America, the population is growing very slowly. This is because women in these countries have, on average (平均 ), only one or two children. In the developing countries, many women have five or more children. In 1950, about one quarter of the world’s population lived in the developed countries. By 2050, these countries will be home to only about one tenth of the world’s people. In the developing countries, more than one billion people are still living below the poverty(貧困 ) line. These people do not have enough food to eat and they live in poor housing conditions. Children get little time at school and suffer (遭受痛苦 ) from many kinds of diseases. the beginning of the 21st century, the world’s population was around six billion. The . has said that the world’s population will level off ( 平穩(wěn)下降 ) at billion by the year 2100. Other groups think the world’s population will continue to grow, reaching 14 billion before it bees stable (穩(wěn)定的 ), or even falls. 根據(jù)短文內(nèi)容,回答下列問(wèn)題。( ) ( ) 1. A. How did you go there? B. Thank you C. Have fun ( ) 2. A. Yes,please. B. Certainly not C. Yes,I will ( ) 3. A. No, I wasn’t B. Yes, I did C. Yes, I do ( ) 4. A. Over six hundred B. Over six thousand C. Over six billion ( ) 5. A. That’s true B. Look out C. All right ( ) 6. A. It doesn’t matter B. Go away C. Sorry, I won’t B. 對(duì)話理解。根據(jù)你所聽(tīng)到的短文內(nèi)容,從 A、 B、 C三個(gè)選項(xiàng)中選出正確答案。(翻譯成漢語(yǔ))。 5.我們應(yīng)該保護(hù)環(huán)境,使我們的家園更加美麗。提示: 。 ( ) using solar power or electricity will cause fewer accidents and less pollution. ( ) will be able to live in the new cities in the sea. ( ) will help divide food into two groups: better food and healthier food. ( ) appliances will save 50% of power because they are controlled by puter. ( ) engineering can help doctors to cure illnesses. (B) Lamu was a 12yearold Tibetan girl. She wanted to go to Beijing to watch the 2020 Olympics. Only one month ago, Lamu still thought it would be difficult. In the past Tibet had no railroad (鐵路 ). If Lamu took a bus, it would take her a long time to reach Beijing. And a plane ticket would cost lots of money. However, things changed for Lamu. She was able to buy a ticket to the world’s highest railroad. The QinghaiTibet Railway had been pleted! The 1,142kilometer railroad runs on the QinghaiTibet plateau (高原 ). Lamu could reach Beijing by train in 48 hours! About 550 kilometers of the railroad are constructed on the frozen earth (凍土 ). When the frozen earth warms in summer, it can move the track. But Chinese scientists have built a special structure to solve the problem. The QinghaiTibet Railway has bee