巧很重要。故选A。

【5题详解】

细节理解题。根据第一段From busy homemakers to working people, many Americans enjoy the convenience (方便) of fast food that can be ready to serve in 10 minutes or less.可知，大多数美国人工作忙碌没有时间做饭，所以喜欢方便的快餐，因为这些快餐可以在10分钟或更少时间内准备好，故选C。

【6题详解】

推理判断题。根据But with cooking, as with any other skill, good results don't happen by accident.（但是烹饪，和其他任何技能一样，好的结果不会是偶然发生的。）可知，这句话是说"要烹饪好不容易，需要大量的练习"。故选A。

【7题详解】

细节理解题。根据第二段Americans would find it next to impossible to live without an oven.可知，美国人会发现，没有烤箱的生活几乎是不可能的，也就是烤箱在美国人烹饪中起着重要的作用，故选C。

Owls and Larks

　　Larks are most likely to be healthy, wealthy and wise, according to the old saying.

　　But those who are early to bed and early to rise do not always have the upper hand, researchers say. They have found that night owls are generally brighter and wealthier than those able to get up early in the morning.

Experts from the University of Madrid carried out tests on around 1,000 teenagers and found that those who preferred to stay up late proved the kind of intelligence associated with honored jobs and higher incomes. "Larks" or "morning people", however, often acquired better exam results, possibly because lessons are held at the wrong time of day for night owls. The researchers examined the habits and body clocks of the youngsters to determine whether they liked to stay up late and sleep later in the morning, or preferred to go to bed early and were at their peak in the morning. School performance and inductive(归纳的)intelligence, or problem solving, were measured and academic grades in the major subjects were also taken into account. The results showed that evening types scored higher than morning types on inductive