文档介绍：2011年英语B级考试试题答案[1]
2011年英语B级考试试题答案
一、单项选择题（说明：这是我同学给的）
1 How can we reduce the risk of cancer?
A cut in left-handed females; b ut not enough to provide adequate explanation. It emerges that 83 percent of right-handed mothers hold the baby on the left side, but so do 78 percent of left-handed mothers. In other words, only 22 percent of the left-handed mothers have their dominant hands free fo r actions. Clearly there must be some other, less obvious explanation.
The only other clue comes from the fact that the heart is on the side of the mother’ s body. Could it be that the sound of her heartbeat is the vital factor? And in what way? Thinking along these lines it was argued that perhaps during its existence inside the bod y of the mother the unborn baby get used to the sound of the heart beat. If this is so, th en the re-discovery of this familiar sound after birth might have a claiming effect on the infant, especially as it has just been born into a strange and frighteningly new worlD if t his is so then the mother would, somehow, soon arrive at the discovery that her baby is more at peace if held on the left against her heart than on the right.
16 We can learn a lot by observing the position in which a mother holds her baby a gainst her body.
A Right B Wrong C Not mentioned
17 Most left-handed women feel comfortable by holding their babies in their left arm and keep the right arm free.
A Right B Wrong C Not mentioned
18 The number of right-handed mothers who hold the baby on the left side exceeds t hat of left-handed ones by 22%.
A Right B Wrong C Not mentioned
19 The fact that most left-handed mothers hold the baby on their left side renders th e first explanation unsustainable.
A Right B Wrong C Not mentioned
20 The fact that the heart is on the left side of the mothers body provides the most convincing explanation of all.
A Right B Wrong C Not mentioned
21 A baby held in the right ar