If it is a matter of right answers, as it may be in mathematics or science, give him the answer book. Let him correct his own papers. Why should we teachers waste time on such routine work? Our job should be to help the child when he tells that he can't find the way to get the right answer. Let the children learn what all educated persons must some day learn, how to measure their own understanding, how to know what they know or do not know.
According to the passage, which of the following is the best way for children to learn things?
A. Listening to skilled people's advice.
B. Asking older people many questions.
C. Making mistakes and having them corrected.
Doing what other people do.
But while people 【B2】 appear to be healthier find 【B3】 , an analysis of 【B4】 activities suggests they are also lazier, 【B5】 the most popular pastime is watching television, with 98 percent of homes having 【B6】 one set and over a third 【B7】 a video recorder.
Other pastimes 【B8】 listening to music, gardening, sports, visiting friends or going out for a meal. The 56.8 million people of England, Scotland, Wales and Northern Ireland 【B9】 an 【B10】 12 million household pets.
Most of the homes now have central heating, washing machines, refrigerators, telephones and even cars.
Britain are also 【B11】 . United Kingdom residents took over 17 【B12】 holidays overseas in 1986, 【B13】 15.75 million in 1985, and the most popular destinations were 【B14】 Spain, France and Greece.
More people are eating meal out and 【B15】 lifestyles have changed, the consumption of take—away meals, convenience foods and so—called fast food has also 【B16】 . over the past 25years, consumption of 【B17】 coffee, processed foods, fruit and vegetables has risen 【B18】 home consumption of beef, lamb, bread, potatoes, butter, sugar and tea has 【B19】 .
Alcohol consumption is continuing its rise but the types of drinks taken has changed. Beer remains the most popular, but lager (淡啤酒) now 【B20】 more than half of beer sales and there has been a switch from whisky to other spirits.
And those of us who survive and prosper can expect to live th the age of 71 for men and 77 for women a tear longer than in 1985.
【B1】
A. because of
B. instead of
C. according to
D. by way of
假定建立了以下链表结构,指针p、q分别指向如图所示的结点,则以下可以将q所指结点从链表中删除并释放该结点的语句组是______。
A. free(q);p->next=q->next;
B. (*p).next=(*q).next;free(q);
C. q=(*q).next;(*p).next=q;free(q);
D. q=q->next;p->next=q;p=p->next;free(p);