children walking home from school.

【高考链接】

(1)People try to avoid public transportation delays by using their own cars and this_______ creates further problems.

A. in short B. in case C. in doubt D. in turn

【答案】D。

【解析】in turn"依次"

(2)A clean environment can help the city bid for the Olympics,

which ______ will promote its economic development.

A. in nature B. in return

C. in turn D. in fact

【答案】C。

【解析】本题考查介词短语。in turn的意思是"转而、反过来、依次"。

in turn

in turn

in turn

考点8. Between 1850 and 1910 the bison population is thought to have fallen from 600million to just a few hundred.

据认为，在1850年至1910年之间野牛的数量已从6000万头降到了仅仅几百头。

He is said to have finished the work.

据说他已经完成了这项工作。

sth./sb. is thought (said) to do 据认为将干......

sth./sb. is thought (said) to have done 据认为已经干了......

it is thought (said) that... 据认为/据说......

(1)She is said to ________(go) abroad next week.

(2)She is said to _____________(go) abroad last week.

(3)He is thought to _______________(invent) the computer.

go

have gone

have invented

【高考链接】

(1)It is often _______ that human beings are naturally equipped to speak. (2009年高考全国卷II)

A. said B. to say C. saying D. being said

【答案】A。

【解析】此题考查句型句式。it is said that..."据说......"。it是形式主语，代替真正主语that引导的主语从句。it is said

是被动语态。

(2)Leonardo da Vince (1452-1819)____________birds kept in cages in order to have the pleasure of setting them free.