Unit 16 Scientists at work
I. Spelling Practice:
1. Franklin’s experiment showed that lightning is an electrical discharge.
2. The taller team has an advantage in a game of netball.
3. I’m trying to cut down on all my unnecessary spending.
4. A substance has three states---- solid, liquid and gas.
5. An engine is a piece of machinery with moving parts that changes power from steam, electricity, oil etc, into movement.
6. Wipe your hands with a handkerchief.
7. Before the airplane takes off, the air attendants usually remind the passengers to fasten their seatbelt.
8.There were more than 600 applications for the job.
9. Father bought an electric (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 proved that lightning and electricity are the same.
2. In the 18th century, Benjamin Franklin conducted 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 charged!
4. Most kites are made of paper, but a kite made of silk will not tear 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 a great deal of electricity in the condenser.
6. The pictures below show how Franklin did his experiment. Pick out the correct ones.
7. Tie 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 comfort.
9. British laws says that every new drug must be tested on 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 charge within a ten-mile limit.
2. I’ll be in charge of / be put in charge of /take charge of the whole company next week while the manager is away.
3. The whole company be in the charge of / be put in the charge of me next week while the manager is away.
4. Leave the battery on charge the whole night
5. The charge against him was murder.
6. The restaurant charged us 40 dollars for the wine.
7. The man they arrested last night has been charged with murder.
8. If the light is on, it means that the battery isn’t charged.
9. Suddenly the wild animal charged at us.
10. The children charged wildly out of the building.
1. Evidence has been found that proves his innocence.
2. It is impossible to prove that God exists.
3. He proves/proved himself a very daring airman.
4. The extra room proved (to be) very useful when we had visitors.
5. He proves/proved (to be) a very useful friend.
6. He felt that this would also proved (to be) an excellent weapon.
1. The government conduct a survey too find out local reaction to the leisure centre.
2. The orchestra is conducted by John Williams, so John is the conductor of the orchestra.
3. Plastic and rubber won’t conduct electricity, but copper will, so copper is a conductor.
4. The guide conducted us around the castle.
5. He conducted the members of the audience to their seats.
6. The children conducted themselves well at the party.
7. His conduct of the business was very successful.
8. I asked the bus conductor for a five-penny ticket.
1. Tears of happiness flow down her cheeks.
2. As soon as she saw her daughter who she had seen for ten years, she suddenly burst into tears.
3. She was in tears when she told me the horrible accident.
4. There is a tear in my coat where I caught it on a nail.
5. He was so angry that he tore the contract into pieces.
6. Don’t tear your sleeves on that nail!
7. Be careful, the paper is very old and tears easily.
8. Florida was attacked by the most powerful hurricane in the history. The hurricane winds tore roofs off houses and buildings.
9. During the two world wars, many people were torn by the conflicts and starvation.
10. The old buildings were torn down, and many new ones are going to be built in the neighborhood.
11. He tore up the letter angrily and threw it into the dustbin.
1. Men are supposed to wear suits and ties to the party.
2. Even though the family members live far apart, family ties are still strong.
3. The race ended in a tie, in other words, the two teams tied.
4. The parcel was tied with strong strings.
5. Please tie the horse to the tree or it will run away.
6. The intruders tied Tom up and put him in the closet.
1. I tried to comfort Jean after her mother’s death
2. The priest spoke a few words of comfort to the dying man.
3. Her son has been a real comfort to her since her husband died.
4. Jean has a comfortable apartment.
1. She picked out the shoes that match the dress.
2. Can you pick out your sister in this crowd?
3. The phone rang and I picked it up.
4. He picked up French while he was staying in Paris.
5. I’ll pick you up at the school gate; don’t be late!
6. Where did you pick up that lovely old vase?
1. It took us a great deal of/ a large amount of/ a great/large quantity of money to buy this new house．
2. We see each other a great deal．
3. Most of the young men went off to the war, and a great many/a good/great/large number of them never came back.
IV. Translation:
1. 你的鸡蛋卖多少钱？（charge）
How much do you charge for your eggs?
2. 在新的工作岗位，他证明了自己是个好工人。（prove）
At his new job he proved himself to be a good worker.
3. 他看起来很有钱。（a great deal of ）
He seems to have a good／great deal of money.
4. 汽车要比自行车快得多。（a great deal）
A car runs a great deal faster than a bike．
5. 汽车失控了，撞到了树上。( out of control)
The car went out of control and crashed into a tree.
6. 你选出你想要留下的照片了吗？(pick out)
Have you picked out the photographs that you’d like to have?
7. 他把试卷撕了，这样妈妈就看不到他的分数。（tear up）
He tore up the test paper so that his mother wouldn’t see his grade.
8. 孩子们在晚会上表现很好。（conduct）
The children conducted themselves well at the party.
9. 在我生病时，女儿是我最大的安慰。(comfort)
My daughter was a great comfort to me when I was ill.