Câu 2 Unit 16 Trang 137 Sách Bài Tập (SBT) Tiếng Anh 8

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Write the correct form of the verbs in brackets in each of the following sentences.

Write the correct form of the verbs in brackets in each of the following sentences.

Viết dạng đúng của các từ trong ngoặc.

a) Blaise Pascal________ the adding machine in 1642. (invent)

b) The zipper________ by w. L. Judson in 1893. (invent)

c) Who ________ the DNA? (discover)

d) When _______ tuberculosis (TB)_____________ ? (discover)

e) Bread________ from flour and yeast. (make)

f) The sewing machine________ by a French named B. Thimonnier in 1830.

(invent)

g) The Englishman Michael Faraday________ the dynamo in 1831. (invent)

h) The first piston engine was _________ in 1690 by the French physicist and inventor Denis Papin. (develop)

i) The British bacteriologist Sir Alexander Fleming ___________ penicillin in (discover)

j) The first truly successful helicopter ___________ by the German engineer Heinrich Focke. (design)

Hướng dân giải 

a. Blaise Pascal was invented the adding machine in 1642.

b. The zipper was invented by W. L. Judson in 1893.

c. Who discovered the DNA?

d. When was tuberculosis (TB) discovered?

e. Bread is made from flour and yeast.

f. The sewing machine was invented by a French named B. Thimonnier in 1830.

g. The Englishman Michael Faraday invented the dynamo in 1831.

h. The first piston engine was developed in 1690 by the French Physicist and inventor Denis Papin.

i. The British bacteriologist Sir Alexander Fleming discovered penicillin in 1982.

j. The first truly successful helicopter was designed by the German engineer Heinrich Focke.



 

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