【正文】 sually filled with hydrogen. Balloons have to fly with the wind as they have no engines(發(fā)動(dòng)機(jī) ) to drive them. Later, men made airships. They are balloons with engines. They are also filled with hydrogen. Aircrafts(飛機(jī) ) with wings now take people across the world. Powerful engines drive these machines across the sky. Some of the engines are like the engines of cars, but they are more powerful. There is another kind of engine, we call it the jet(噴射 ) engine. An English engineer invented the jet engine. At the same time, Germans were also building a jet engine. In May 1941, the English engineer’ s new engine was fixed in an aircraft, and the aircraft flew quite well. Jet engines are very powerful. Usually two to four are enough for an airplane, but some big aircraft need six. Anyone in a moving jet plane can feel the power of the engines. Jet planes can travel faster than sound. As a flying jet plane leaves its noise behind, we do not hear it until it has gone. 53. The underlined word “Helium” in the second paragraph is mostly like a kind of ______. A. bag B. airplane C. gas D. balloon 54. We don’ t hear the flying jet plane’ s noise until it has gone because ______. A. jet planes are very powerful B. jet planes have enough jet engines C. anyone can feel the power of the engines D. jet planes travel faster than sound 55. Which of the following is NOT true according to the passage? A. Men first flew up into the air in balloons. B. The first jet plane was invented by an English engineer. C. The jet engine is very powerful. D. Two jet engines are enough for a big aircraft. 四、 閱讀填空 先通讀下面的短文，然后根據(jù)短文內(nèi)容，在文章后表格的空格內(nèi)填入一個(gè)最恰的單詞。 that 27. He was seen _______ football on the playground this time yesterday. A. played B. playing C. play D. to play 28. — Are you sure you have to do this now? It’s been very late. — I don’t know to do it if not now. A. where B. how C. what D. when 29 amazing experience Liu Ming had to work as a volunteer! A. What B. How C. What a D. What an 30. — Pollution has bee a serious problem all around the world. — Yes. Luckily, to protect the environment, many actions . are taking B. are going to take C. are going to be taken D. are going to be taking 31. Lucy has _________ all of the goals(目標(biāo) ) she set for herself in high school and is ready for her new life. A. spared B. supported C. pushed D. achieved 32. The energy from the sun and wind is very cheap and it will never ____________. A. e out B. put out C. carry out D. run out 33. — I can’ t stop smoking, doctor. — For your health, I’ m afraid you _________. A. must B. can C. have to D. need 34. — She’ s read that long novel, _______ ? — Yes, but a bit difficult for her to understand. A． hasn’ t she B． has she C． isn’ t she D． is she 35. — Oh dear! How can I clean the classroom in just 10 minutes? — Don’ t worry. _________. We can give you a helping hand. A. Every dog has its day B. Practice makes perfect C. A friend in need is a friend indeed D. Many hands make light work 二、完形填空 先通讀下面的短文，掌握其大意，然后在每小題所給的四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)。 that C. so 。 （本大題共 15小題，每小題 1分，共 15分） 21. My dream is to study abroad in _______ European country after I finish my middle school. A. a B. an C. the D. 不填 22. It’s really kind _______ the m to work in their spare time. A. of B. to C. for D. at 23. The dragon boat race was held on that day. _______ people watched it excitedly near the river side. A. Thousand B. Thousands C. Thousand of D. Thousands of 24. — Did you return Helen’s call? — I didn’t need to _______I’ll see her tomorrow ． A. though B. because C. when D. unless 25. Jim has lived in Australia for two years. He _________ on the left. A. uses to drive B. used to drive C. is used to driving D. was used to driving 26. It was ______ lovely weather _______ we decided to spend the day on the beach. A. such a 。 Helping others in your spare time Need for help Schools need help with taking care of children. Hospitals need volunteers to look after 13 . Some volunteers Linda, a woman of 14 years old. An 18yearold volunteer helps old people learn how to use puters. Ways of contact(聯(lián)系 ) Call us on 15 . Send an to . 13. A. patients B. children C. volunteers 14. A. 52 B. 62 C. 42 15. A. 8005655756 B. 8005556856 C. 8005555756 聽第 13段材料，回答第 1620小題。 11. Who did Lin Tao travel with? A. His parents. B. Just by himself. C. His friends. 12. How did Lin Tao travel? A. By bus. B. By car. C. By train. 聽第 12段材料，回答第 1315小題。（本大題共 10小題，每小題 1分 ,共 10分） sign does the man mean? A B C 2. How will Tina go to Beijing? A B C 3. What is Tom’ s brother doing now? A B C 4. Where has the woman been? A B C 5. Where’s the man going? A. To a bookshop. B. To a museum. C. To a li