21. The topic sentence of Para. 1 i

21. The topic sentence of Para. 1 is _________ .A. Morgan Rees has always been a good businessmanB. he used to own three petrol stations and was busy most of the timeC. when Morgan Rees was 65 , he got retiredD. reluctantly, he handed over the business to his son【答案】A。22. The topic sentence of Para. 2 is ____________.A. he didn't know what to do with himself B. he went on holiday to interesting places with his wifeC. he was unhappy after he got retired D. none of them【答案】C。23. Which of the following statements can best express the main idea of Para. 3?A. One day he saw an advertisement in the newspaper.B. He bought a small crockery factory in secret and started work again.C. He told his family he bought a small crockery factory.D. His family was horrified and worried when they learned he bought the small factory.【答案】B。24. What is the central idea of the last paragraph?A. Morgan Rees has worked until he is 76.B. Morgan Rees has developed the export market and improved the profits by 200%.C. Morgan Rees hasn’t been bored since he bought the factory.D. Since he started working again, Morgan Rees has expanded the company considerably, which has enriched his retired life.【答案】D。25. The passage mainly deals with ________.A. why Morgan Rees bought a small crockery factoryB. how Morgan Rees lived his retired life more happily by turning to work againC. how Moran Rees became a good businessman