【文章內(nèi)容簡介】
r,with first173。borns being more academically successful and more likely to win Nobel ,eldest children are less likely to be radical and Darwin,for example,was the fifth child of six.Exactly why there should be such differences is not clear,and there are a number of theories on environmental influences on the child.The so173。called dilution (稀釋法) theory suggests that as family resources,both emotional and physical,as well as economic,are limited,it follows that,as a result,as more children e along,the levels of parental attention and encouragement will theory is that the intellectual (智力的) environment in the family favors the first173。born who has,at least for some time,the benefit of individual care and help.The theory which enjoys the most support is that the extra time and patience that the earlier173。borns get from their parents,pared with those arriving later,gives them an advantage.1.What is the passage mainly about?A.IQ scores have little to do with the order of birth.B.Intellectual families favor the first173。born.C.The order of birth can have an effect on IQ.D.The order of birth can affect personality,achievement,and career.【解析】 主旨大意題。從全文內(nèi)容可知,文章的第一段導(dǎo)入了要討論的話題。中心句“the oldest children in families are likely to have the highest IQs and the youngest the lowest”表明本文主要講述智商與出生順序的關(guān)系。【答案】 C2.By using Charles Darwin as an example,the author wants to prove that________.A.eldest children are the smartest in a familyB.youngest children will usually bee expertsC.first173。borns are more likely to win Nobel prizesD.eldest children are less likely to try something new【解析】 推理判斷題。文章的第四段表明:一個人的出生順序還影響他的性格、成就和事業(yè)。第一個孩子在學(xué)術(shù)上容易成功或更易獲得諾貝爾獎,但是不激進、不具有開創(chuàng)性。下面舉例說進化論的創(chuàng)立者達爾文就是六個孩子中的第五個。這個例子是為了證明“eldest children are less likely to be radical and pioneering”這個觀點?!敬鸢浮俊3.What do we know about the dilut