【答案解析】[听力原文] Courses for adult students may be vocational or recreational, that is, they may be related to a person's job or taken purely for interest and pleasure.
【答案解析】[听力原文] To overcome their fear of unknown attackers on the cities' streets, many Americans now take instruction in Sun Sword of Oriental Self Defense such as karate and martial arts, commonly known as kungfu or Wushu.
【答案解析】[听力原文] Drinking tea has been a long tradition of a typical British family. Recent studies suggest that tea can cut the risk of cancer and heart disease and retard the aging process.
【答案解析】[听力原文] I've been looking into the question of having the goods sent by air. It's quick. The goods are less liable to damage than by sea and there's less risk of hold-ups. [解析] 本句稍有难度,诸如“be liable to...”(容易)和“hold-up”(停顿,耽误)可能会造成理解障碍。本句需要注意比较结构,“be less liable to...”(不易)。
【答案解析】[听力原文] If you lost two percent of your body weight in water, your brain power and performance level may start to weaken. Another four to seven percent may leave you feeling dizzy.