动脉血和静脉血的主要差别是（ ） A．动脉血含氧较多 B．动脉血含养料较丰富 C

I’m 14. Li Lei is 15. I’m _____ than Li Lei.

A．young

B．younger

C．old

D．older

粒细胞成熟过程中嗜天青颗粒出现在哪个阶段

A．原始粒细胞

B．早幼粒细胞

C．中幼粒细胞

D．晚幼粒细胞

E．成熟粒细胞

Mariah Evans at the University of Nevada, Reno, led a 20-year study which asked adults in 27 countries to tell the number of books that were in their home while they were growing up. Their answers showed that children raised around books spend more years in school, even if their parents are poor and illiterate (没文化的).

Mariah Evans said, “What we found was that there is a very big effect of growing up in a bookish home on children’s success in school. Children who grow up in homes where there are more books go further in education. And additional(额外的) books are especially important for children who come from families where the parents aren’t terribly highly educated. The books can be stories, sports, travels and anything. But there, we’re seeing that the books that have the most effect are history and science.”

“It says that there really is a contribution that parents can make to their children’s education. And it doesn’t mean that you have to turn into somebody like me whose walls are lined with books. “But it really does mean that if you spend a few minutes most days a week reading to your children, and if they see you reading from time to time, and if you talk about books with them from time to time, and when somebody asks a question, say ‘let’s look it up’ instead of discussing it as a matter of opinion—that all those things can actually make quite a great difference to children in their education.”

56. It can be inferred from the passage that _______.

A. it is more difficult for children raised around books to finish school

B. highly educated parents prevent a child going further in education

C. more books are needed by children from poor and illiterate families

D. children with poor parents don’t spend as many years in school

57. According to the author, the books most important for the children are _______.

A. history and science                               B. sports and education

C. stories and travels                              D. all kinds of subjects

58. Wise parents can make quite a great difference to children in their education by_______.

A. turning themselves into somebody whose walls are lined with books

B. spending some minutes most days a week playing with their children

C. discussing them rather than looking up questions with their children

D. talking about books with their children from time to time

59. This passage mainly talks about_______.

A. the effect of bookish home on children     B. the importance of parents

C. the necessity of reading more books              D. the interest of children in books

SOC指的是系统芯片。

动脉