Chọn một từ thích hợp trong ô dưới đây điền vào mỗi chỗ trống để hoàn thành đoạn văn sau:

I. Chọn một từ thích hợp trong ô dưới đây điền vào mỗi chỗ trống để hoàn thành đoạn văn sau.

exhaust,   factories,    provides,    scientists,   pollution,   caused

Everyone wants to reduce (26) ____________. But the pollution problem is as complicated as it is serious. It is complicated because much pollution is (27) ___________ by things that benefit people. For example, (28) ____________ from automobile caused large percentage of air pollution. But the automobile (29) _____________ transportation to millions of people. (30) _____________ discharge much of the material that pollutes air and water, but factories give employment to a large number of people.

II. Đọc đoạn văn sau và chọn một đáp án đúng trong số A, B, C hoặc D.

The invention of the phonograph happened quite by accident. Thomas Edison moved to Menlo Park, New Jersy in 1876, where he established an industrial research laboratory. There, Edison was working on a carbon telephone transmitter to improve the existing Bell telephone system.

In that laboratory a year later, Edison invented the phonograph while he was trying  to improve a telegraph repeater. He attached a telephone diaphragm to the needle in the  telegraph repeater; in this way, he was able to reproduce a recording that could be played back. After he made some improvements to the machine, he tested it. He recited “Mary Had a Little Lamb” into the machine and played his voice back to a surprised audience.

31.  What is the best title for the passage?

       A. Thomas Edison’s many inventions B. Improvements in telephone and telegraph

       C. An accidental invention D. The History of Menlo Park

32.  In what year did the invention of phonograph occur?

       A. 1877 B. 1876       C. 1878 D. the article does not say

33.  What was Edison working on when he created the phonograph?

       A. A telegraph diaphragm B. A telegraph repeater

       C. A telephone repeater D. A telephone diaphragm

34.  According to the passage, how was the phonograph made?

       A. With a telephone needle and a recorder C. With only a telegraph repeater

      B. From a recording of a telegraph          D. From a combination of telephone 

                                                                                                    & telegraph part

35.  According to the passage, how did Edison test his new invention?

       A. He made improvements to the machine. B. He read a children’s rhyme.

       C. He used a carbon transmitter. D. He produced the audience voice.