Unit 16 Scientists at work
I. Spelling Practice:
1. Franklin’s e______________ showed that lightning is an electrical discharge.
2. The taller team has an a_______________ in a game of netball.
3. I’m trying to cut down on all my u_______________ spending.
4. A substance has three states---- solid, l________ and gas.
5. An e____________ is a piece of machinery with moving parts that changes power from steam, electricity, oil etc, into movement.
6. Wipe your hands with a h__________________.
7. Before the airplane takes off, the air attendants usually remind the passengers to f_________ their seatbelt.
8.There were more than 600 a_______________ for the job.
9. Father bought an ____________(用电的，电动的) heater.
II. Complete the sentences from the books with the words and phrases in the box.
1. The experiment ____________ that lightning and electricity are the same.
2. In the 18th century, Benjamin Franklin _____________ a number of experiments in which he showed what electricity is.
3. Just then , I saw some of the hairs on the string stand up. The string was getting ___________!
4. Most kites are made of paper, but a kite made of silk will not _________ so soon in weather with rain and strong winds.
5. Others followed even before the whole string was wet, and I was able to collect and store ______________________ electricity in the condenser.
6. The pictures below show how Franklin did his experiment. ________________ the correct ones.
7. ________ the corners of the handkerchief to the points of the cross, and you will have a nice strong kite.
8. The maglev train brings people more ___________.
9. British laws says that every new drug must be ________________ at least two different kinds of animals.
III. Complete the sentences with the words and phrases in the box.
1. Your order will be delivered free of ___________ within a ten-mile limit.
2. I ____________________the whole company next week while the manager is away.
3. The whole company _____________________me next week while the manager is away.
4. Leave the battery on ___________ the whole night
5. The ___________ against him was murder.
6. The restaurant ___________ us 40 dollars for the wine.
7. The man they arrested last night has been ___________ with murder.
8. If the light is on, it means that the battery isn’t ________________.
9. Suddenly the wild animal __________ at us.
10. The children ____________ wildly out of the building.
1. Evidence has been found that _________ his innocence.
2. It is impossible to _________ that God exists.
3. He ________ himself a very daring airman.
4. The extra room ____________ very useful when we had visitors.
5. He ____________ a very useful friend.
6. He felt that this would also _________ an excellent weapon.
1. The government ___________ a survey too find out local reaction to the leisure centre.
2. The orchestra is _____________ by John Williams, so John is the ____________ of the orchestra.
3. Plastic and rubber won’t _____________ electricity, but copper will, so copper is a _____________.
4. The guide ___________ us around the castle.
5. He _____________ the members of the audience to their seats.
6. The children ________________ themselves well at the party.
7. His ___________ of the business was very successful.
8. I asked the bus _____________ for a five-penny ticket.
1. ___________ of happiness flow down her cheeks.
2. As soon as she saw her daughter who she had seen for ten years, she suddenly _____________________.
3. She was ______________ when she told me the horrible accident.
4. There is a ________ in my coat where I caught it on a nail.
5. He was so angry that he ________ the contract into pieces.
6. Don’t _______ your sleeves on that nail!
7. Be careful, the paper is very old and __________ easily.
8. Florida was attacked by the most powerful hurricane in the history. The hurricane winds _________ roofs off houses and buildings.
9. During the two world wars, many people were __________ by the conflicts and starvation.
10. The old buildings were _________________, and many new ones are going to be built in the neighborhood.
11. He _____________ the letter angrily and threw it into the dustbin.
1. Men are supposed to wear suits and _______ to the party.
2. Even though the family members live far apart, family _______ are still strong.
3. The race ended in a _________, in other words, the two teams _________.
4. The parcel was ________ with strong strings.
5. Please ______ the horse _____ the tree or it will run away.
6. The intruders _______ Tom ____ and put him in the closet.
1. I tried to _________Jean after her mother’s death
2. The priest spoke a few words of _________ to the dying man.
3. Her son has been a real ______ to her since her husband died.
4. Jean has a ______________ apartment.
1. She ___________________the shoes that match the dress.
2. Can you ___________________ your sister in this crowd?
3. The phone rang and I _________ it ______.
4. He ___________________ French while he was staying in Paris.
1. It took us ____________ money to buy this new house．
2. We see each other________________．
3. Most of the young men went off to the war, and _________________ never came back.
IV. Translation:
1. 你的鸡蛋卖多少钱？（charge）
___________________________________________________________________________
2. 在新的工作岗位，他证明了自己是个好工人。（prove）
___________________________________________________________________________
3. 他看起来很有钱。（a great deal of ）
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4. 汽车要比自行车快得多。（a great deal）
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5. 汽车失控了，撞到了树上。(out of control)
___________________________________________________________________________
6. 你选出你想要留下的照片了吗？(pick out)
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7. 他把试卷撕了，这样妈妈就看不到他的分数。（tear up）
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8. 孩子们在晚会上表现很好。（conduct）
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9. 在我生病时，女儿是我最大的安慰。(comfort)
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