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1、课时练习Unit 6 When was it invented?Section B (1a1e)一、根据句意及首字母提示完成单词。1I dont like lemons because theyre too s .2The chips taste c_， and even the old enjoy them.3Someone took my umbrella by m_4Every morning，there are many c shopping in the supermarket.5Eating too much s_ food isnt good for our health.二、用
2、所给单词的适当形式填空6It _(believe) that aliens live in some places far from the earth.7Its said that tea is an _(accident) invention in history.8Dumplings and some other traditional Chinese food _(trade) between different countries.9His mother is _(boil) water in the kitchen.10Tea _(bring) to Western countri
3、es during the 19th century. 三、单项选择。11.Jack，whats the matter with you?I cant find my bag.Maybe someone took it mistake.AforBatCofDby12.Our class won the first in the school basketballmatch.The good news made all of us .Asad Bhappy Chappily Dhappiness13.My little sister isnt to look after herself.Ayou
4、ng enough Benough young Cold enough Denough old14.They dont like the potato chips because they arent enough.Abig Bcrispy Csour Dsweet15. Last year Huaian Flyover (高架) .Now it brings much convenience to people.Afinished Bfinishes Cis finishing Dwas finished四、语法填空The first robots were invented in the
5、1920s. Since then robots 16._(appear) in many science fiction films. In some films, robots can think like human beings, and even they are 17._(clever) than we expect. In real life, people 18._(main) use robots in factories. They do some dangerous and difficult jobs for humans. Robots also help disab
6、led people, for example, blind people. Today many blind people have a guide dog 19._(help) them. In the future, guide dogs might be robot dogs. One kind of robot guide dog has wheels. It moves in front of the owner. It is very clever. It knows the speed of its owners walk. The owner wears a special
7、belt. This belt sends instructions to the owner 20._ the dog, such as “Stop here”， “Turn left” or “Turn right”In the United States, another kind of robot helps disabled people to take care of 21._(they) in their daily life. The robot hears the sound of its owners voice. It follows instructions such
8、as “Turn the page” or “Make a cup of coffee”Robots 22._(use) in American hospitals, too. They can do simple jobs. At one hospital, for example, a robot takes meals from the kitchen to 23._(patient) rooms. It never gets lost 24._ this robot has a map of the hospital in its computer memory. 25_ robots
9、 can help people in many different ways, they will never take the place of humans.答案;一、1. our 2. rispy 3. istake 4. ustomers 5. alty 二、6.is believed 7.accidental 8are traded 9.boiling 10was brought三、11-15 DBCBD 四、16.have appeared17.cleverer18Mainly19 .to help20.from21. Themselves22.are used23patients24.because25Though/Although