Giải bài tập anh văn 8, Unit 16: Inventions

Hãy ghép các giai đoạn làm ra giấy viết đúng vói những bức tranh sau.
A + b: Five thousand years ago, the Egyptians wrote on a plant called papyrus.
B + c: A Chinese official made paper from wood pulp in the year 105.
C + e : The Japanese learned how to make paper in the seventh century.
D + a: In 768, Arabs learned about papermaking from Chinese prisoners.
E + d: The first papermaking machine 'vas invented in the late 1700s by a
Frenchman.
NGHE VÀ ĐỌC
1. Luyện tập hội thoại vói bạn bên cạnh.
Tim Jones, Người bạn quen biết qua thư từ của Hoa. Đang thăm một nhà máy chế biến sô-cô-la cùng với lớp và cô Allen. Quán đốc Robert, đang dẫn họ đi xem quanh nhà máy.
Mr. Roberts:      Đây là nơi bảo quản hạt ca-cao. Còn bây giờ hãy theo tôi. tôi sẽ chỉ cho các bạn xem bước đầu tiên của quá trình sàn xuất.
Tim:                    Sam, theo bạn cái nút này để làm gì? 
Sam:                   Mình không biết.
Mrs. Allen:         Tim, Sam lại đây các em.
Mr. Roberts:       Các cháu này, cái nút kia không sờ vào được đâu. Lúc này những hạt ca-cao đang được rửa sạch, đem lên cân rồi chế biến ờ đây.
Mrs. Allen:        Tim. em lại đây đứng gần cô. Cô đã dặn em rồi mà.
Mr. Roberts:      Sau khi tách vỏ ra, hạt ca-cao được đưa vào xay và ép ra nước. Người ta thêm sô - cô-ca cùng với đường, va-ni và sữa. Sau đó hỗn hợp này được nghiền ra rồi được cán và đổ ra khuôn.
Tim:                   Trông ngon quá.
Sam:                  Chúng cháu nếm thử được không ạ?
Mr. Roberts:      Được chứ. Có một ít ở trên băng chuyền kia kìa.
2. Hãy ghép các nửa câu lại với nhau thành câu đầy đủ rồi chép vào vở bài tập.
a. The beans are cleaned before being cooked.
b. Mr Roberts thought Tim and Sam were going to touch the button.
c. After cooking, the cocoa beans smell like chocolate.
d. Sugar is one of the ingredients in chocolate.
e. Mrs. Allen warned Sam to leave Sonic chocolate for others.
f. A sample of chocolate is given after visitors have toured the factory.
NÓI
1. Hãy làm việc với bạn bên cạnh. Học sinh A nhìn bảng ở trang sau. Học sinh B nhìn bảng ở cuối trang này (trang 139). Hãy hỏi và trả lời để điền những thông tin còn thiếu vào bảng của em.
A: When was the bicycle invented?
B: It was invented in 1816.
A: Who was it invented by?
B: By Frederick Koenig.
A: What was his nationality?
B: I le was German.
A: When was the color television invented?
B: It was invented in 1950.
A: Who was it invented by?
B: By Peter Carl Gold mark.
A: What was his nationality?
B: He was American.
 

INVENTION	DATE	INVENTOR	NATIONALITY
Bicycle   Color television Facsimile Helicopter Laser Loudspeaker Microphone Optical fibre Printing press Reinforced concrete Sewing machine X-ray	1816 1950 1843 1939 1958 1924 1878 1955 1810  1849 1845 1895	Frederick Koenig  Peter Carl Goldmark Alexander Bain Igor Sikorsky Gordon Gould C.W. Rice  D.E. Hughes Karl D. Sauerbronn Narinder Kapany F.J. Monier Elias Howe Wilhelm Konrad	German American English American American American American German German French American German

2. Hãy thuật lại những điều em đã biết vói thầy / cô giáo.
The facsmilie was invented by Alexander Bain in 1843.
The bicycle was invented by Ferderick Koenig in 1816.
The color television was invented by Peter Carl Goldmark in 1950.
The helicopter was invented by Igor Sikorsky in 1939.
The laser was invented by Gordon Gould in 1958.
The loudspeaker was invented by C.W. Rice in 1924.
The microphone was invented by D.E. Hughes in 1878.
The optical fibre was invented by Karl D. Sauerbronn in 1955.
The printing press was invented by Narinder Kapany in 1810.
The reinforced concrete was invented by F.J. Monier in 1849.
The sewing machine was invented by Elias Howe in 1845.
The X-ray was invented by Wilhelm Konrad in 1895.
NGHE
1. Nghe và điền vào chồ trống trong những câu sau đây:
a. Papermaking is a (1) simple process.
b. The procedure is almost the (2) same as it was (3) 200 years ago.
c. The pulp vat is on the (4) left of the machine.
d. The papermaking machine has a lot of (5) rollers.
2. Nghe lại lần nữa và xếp những câu sau đây theo đúng thứ tự:
* Câu trả lời:
c. Paper pulp was placed in the vat.
d. Paper pulp was mixed with water.
a. The water was drained.
e. The pulp fibers were poured out.
g. The pulp was conveyed under the rollers.
f. The fibers were smoothed and pressed dry.
b. The paper was put on a roll.
* Nội dung bài nghe:
Paper making is a simple process. The procedure is almost the same as it was 200 years ago. Look closely at this picture of an old paper making machine. On the left is the pulp vat. Paper pulp was placed in the vat and mixed with a lot of water. The water was then drained and the pulp fibers were poured out of the vat and onto a conveyor belt took them under the rollers. There were quite a lot of rollers as you can see. these rollers smoothed the fibers and pressed them dry. The finished paper was then put on a roll at the end. You can see the roll of paper at the far right of the picture.
ĐỌC
1. Ghép các tiêu đề với các đoạn thơ.
Verse I: Appliances that cook food.
Verse 2: Appliances that clean or dry things.
Verse 3: Instrument invented by Alexander Graham Bell.
2. Điền vào chỗ trống trong những câu dưới đây bằng một “phát minh’’ trong bài thơ trên.
a. “Joan, where’s the vacuum? I want to clean the floor.
b. Last night I was reading in the bedroom when the telephone rang. It was Ann. an old friend I didn’t see for more than twelve years.
c. A washing machine is a kitchen appliance that automatically washes. rinses, and dries dishes and utensils.
d. “Jane, why don't you put the meat in microwave to defrost it?
e. “Can I borrow your hairdryer? I’ve just washed my hair.
f. The Romans knew how to toast bread over an open five two thousand years ago. We now toast bread with a toaster on the table.
VIẾT
1. Điền vào mỗi chỗ trống bằng từ nối theo trật tự thời gian mô tả qui trình sản xuất giấy. (1) First, logs are cut into small chips. (2) Then they are mixed with water and acid. (3) next they are heated and crushed to a heavy pulp. This wood pulp is also cleaned and chemically whitened. (4) After this, it is passed through rollers to be flattened. (5) Then. sheets of wet paper are produced. (6) Finally, the water is removed from the sheets which are pressed, dried and refined until the finished paper is produced.
2. Nhìn tranh mô tả quá trình chế biến hạt ca-cao rồi xếp câu đúng theo thứ tự các bức tranh.
1 + d: The fruit harvest is fermented for three to nine days to kill the beans
and turn them brown.
2 + a: The beans are dried in the sun.
3 + e: The beans are cleared in special machines.
4 + c: The beans are roasted to bring out the chocolate favour.
5 + b: They are shelled and ground to produce chocolate liquor.
6 + f: The liquor is made into chocolate candy or cocoa powder.
Bây giờ hãy dùng từ nối theo trật tự thời gian ở bài tập 1 để nối các câu trên lại với nhau thành một đoạn.
At first, the fruit harvest is fermented for three to nine days to kill the beans and turn them brown. Then, the beans are dried in the sun. Next, the beans are cleared in special machines. After this, the beans are rousted to bring out the chocolate favour. Then, they are shelled and ground to produce chocolate liquor. Finally, the liquor is made into chocolate candy or cocoa powder.