单选题

A、 In Africa.
B、 In Chicago.
C、 In Washington.
D、 In Californi

【正确答案】 D

【答案解析】[听力原文] 26-28
Exercise is beneficial to your heart. A 22 - year study was conducted by doctors in California. They found that people who work at physical jobs experience fewer heart attacks than other people. The active people work all the time at moderated speeds. Their daily rountine gives them an adequate amount of exercise and helps them stay in shape. However, machines that can do heavy labor more speedily are replacing this type of work.
26．Where is the study conducted?

[详细解答] 该题询问地点，而整个短文中只出现了California，因此正确选项为D．In California。

A、 It is found that people who work at mental jobs experience fewer heart attacks than other people.
B、 It is found that people who work at physical jobs experience fewer heart attacks than other people.
C、 It is found that people who work at heavy jobs experience fewer heart attacks than other people.
D、 It is found that people who work at easy jobs experience fewer heart attacks than other people.

【正确答案】 B

【答案解析】[听力原文]
Which of the following statements is true?

[详细解答] 该题考查对文中关键句的把握情况。注意四个选项的差别在于jobs前的形容词不同，分别为mental，physical，heavy 和 easy，听到单词 physical便可确定正确选项为B。

A、 Machines can do ,iil the physical work for man.
B、 Machines cab do all the mental work for man.
C、 All heavy labor should be replaced by machines.
D、 All heavy labor shouldn't be replaced by machines.

【正确答案】 D

【答案解析】[听力原文]
What can be inferred from this article?

[详细解答] 该题考查对关键句的把握。听时注意到短文最后一句中的表转折关系的副词however，由此可推知正确选项为D。实际四个选项中A和B，及C和D相矛盾，可缩小选择范围。