句型51：be＋num. ＋metres / kilometres / years...＋long / wide / deep / high / old...The Great Green Wall is 7，000 kilometres long. 綠色長城長7000公里。The river is about 2 metres deep. 這條河大約有2米深。The boy is about 12 years old . 這個(gè)男孩約12歲。

　　句型52：keep ... from doingThe heavy rain kept us from starting out. 大雨阻止了我們出發(fā)。

　　句型53：with one’s help...With Tom’s help，I’ve come to America to study further. 在湯姆的幫助下，我來美國深造。

　　句型54：I don’t think ...I don’t think any of them is interesting. 我認(rèn)為他們中任何一個(gè)都無趣。

　　句型55：What’s the population of ...？What’s the population of Germany ？德國的人口有多少？

　　句型56：prefer to do … rather than do

　　They prefer to buy a new one rather than repair it. 他們更喜歡買一輛新車，而不愿去修理它。

　　句型57：be worth (doing) …This book is worth reading. 這本書值得讀。

　　句型58：regard … asThey regarded their pets as members of their families. 他們把寵物視為家庭成員。

　　句型59：be confident ofI’m confident of success. 我確信會成功。

　　句型60：seem to do / seem ＋adj. / （介詞短語）He seems to be angry. 他似乎生氣了。The house seems too noisy. 這房子似乎太吵了。

　　句型61：be angry with / about / at（doing）We’re all very angry with ourselves. 我們都很生自己的氣。I was angry about his decision to build a factory here. 我很生氣他決定把工廠建在這兒。I was angry at being kept waiting. 這樣一直等我很生氣。

　　句型62：pay for / pay … forHe paid for the book and went away. 他付完書款便離開了。I paid him ￡200 for the painting. 買這幅畫我付了他200英鎊。