Unit 8 Discoveries Getting Ready and Lesson 22　Famous Discoveries(第一课时)同步课时练习 （word版，含答案）

Getting Ready and Lesson 22　Famous Discoveries (第一课时) Ⅰ.英汉互译 1．because of_____ 2．a great deal _____ 3．be able to _____ 4．serious health problem _____ 5．传递 _____ 6．穿过，透过 _____ 7．越来越多 _____ 8．例如 _____ Ⅱ.根据句意及首字母提示补全单词 9．In 1953, the famous structure of DNA was d_____.　 10．Smoking is one of the causes of heart d_____. 11．Without your help, we aren't a_____ to get over the difficulties. 12．When he was a child，Edison used to do experiments in his own l_____． 13．To improve your English, you should try to pronounce all the words c_____． Ⅲ.单项填空 (　　)14.Three centuries ago, many children died very young_____ different diseases. A．because B．as C．for D．because of (　　)15.Smoking too much can lead to _____ problems. A．health B．healthy C．healthily D．unhealthy (　　)16.I'm not sure if I'll _____ help you with your homework, but I'll have a try. A．can B．was able to C．could D．be able to (　　)17.—Would you like to climb the hill with us tomorrow —If it _____， I _____． A．doesn't rain; go B．won't rain; go C．don't rain; will go D．doesn't rain; will go (　　)18.You should go to bed early, _____ you will feel tired in the morning. A．or B．but C．and D．so (　　)19.—China plans to send another spaceship into space. —Wow! More and more secrets _____ soon. A．are going to discover B．will be discovered C．have discovered D．was discovered Ⅳ.根据汉语意思完成句子 20．你如果安静读书的话，将能通过考试。 You will _____ pass the exam _____ you read books in peace. 21．从我的好朋友身上可以学到很多。 There is _____ to learn from my good friends. 22．用X光机，医生治疗断裂的骨头就容易得多了。 Doctors can treat _____bones much _____ with X ray machines. 23．她说她会把消息传给其他学生。 She said she would _____ the message to the other students. 24．许多关于人类身体的发现帮助人们生活得更久、更好。 Many discoveries about the human body help people live _____ lives. Ⅴ.按要求完成下列各题 25．He did his homework last night.(改为否定句) He _____ _____ his homework last night. 26．She usually gets up at six．(对画线部分提问) _____ _____ does she usually get up 27．We had a good time last night.(改为同义句) We _____ _____ last night. 28．The car is so expensive that we can't afford it.(改为同义句) The car is _____ expensive for us _____ afford. 29．He often writes the words “best wishes” at the end of his letters.(改为被动语态) The words “best wishes” _____ often _____ by him at the end of his letters. Ⅵ.完形填空 Listen! What do you hear You may hear many different sounds. Some of those sounds __30__ noise. Noise is a loud or unpleasant sound. Noise can be caused by many kinds of machines, __31__motorcycles, jetliners and farm tractors(拖拉机). Sometimes rock music is __32__ noise. What happens __33__ people who live near noisy machines or use them over a period of time Doctors have found that these people have trouble __34__. But more importantly, constant loud noise can cause a loss(减损) of hear ... ...