Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate thecorrect word or phrase that best fits each of the numbered blanks.

Education is more important today than ever before. It helps people acquire the skills they need for such everyday  (1)_______  as reading a newspaper or managing their money. It also gives them the specialized training they may need to  (2)_______ for a job or career. For example, a person must meet certain educational requirements and obtain a  (3)_______  or certificate before he can practice law or medicine. Many fields, like computer operation or police work,  (4)_______  satisfactory completion of special training courses.

Education is also important  (5)_______  it helps people get more out of life. It increases their knowledge and understanding of the world. It helps them acquire the skills that make life more interesting and enjoyable,  (6)_______  the skills needed to participate in a sport, paint a picture, or play a musical  (7)_______ . Such education becomes  (8)_______  important as people gain more and more leisure time.

Education also helps people adjust to change. This habit has become necessary because social changes today take place with increasing speed and  (9)_______  the lives of more and more people. Education can help a person understand these changes and provide him  (10)_______  the skills for adjusting to them.

Điền vào ô 8

A. increased        

B. increasing                  

C. increase           

D. increasingly

Điện năng được truyền đi với công suất P trên một đường dây tải điện với một điện áp ở trạm truyền là U, hiệu suất của quá trình truyền tải là 90%. Nếu giữ nguyên điện áp trạm truyền trải điện nhưng giảm công suất truyền tải đi 2 lần thì hiệu suất truyền tải điện khi đó là

A. 80%

B. 85%

C. 90%

D. 95%