1、1. 【课文原句】It is located on the top 35 floors of the 88-storey Jin Mao Tower. (Lesson 10)【要点点拨】locate 意为“位于、坐落于”，常用句型为“sth. be located in / on / at + 地点 ”，意为“某物位于 / 坐落于某处”。如：The white church is located on a hill. 那座白色的教堂坐落在一个山丘上。lie 也可表示“位于、坐落于” ，但它用于主动结构中，常用句型为“sth. lies in / on / at + 地点”。如：Taiwan I
2、sland lies in the southeast of China. 台湾岛位于中国的东南部。【句子仿写】我们的学校坐落在泰山脚下。_2. 【课文原句】The average blue whale is about four times as big as the biggest elephant. (Lesson 11)【要点点拨】four times as big as 是倍数的表达方式，结构为“倍数+ as + 形容词 / 副词的原级 + as”，表示一方是另一方的若干倍。在英语中，它和“倍数+ 形容词 / 副词的比较级 + than”所表达的数量概念相同。如：This table
3、 is three times as long as that one. = This table is three times longer than that one. 这张桌子是那张桌子的三倍长。【句子仿写】这个大厅是我们教室的五倍大。_3. 【课文原句】Its a man who can ride his bicycle backwards while playing the guitar. (Lesson 14)【要点点拨】 “while + v-ing 形式” 这一结构是省略句，此句中省略了 while 后面的 he is。其中 while 是连词，意为 “当时候”，引导时间状语从
4、句。当 while 引导的从句的主语与主句的主语一致，且含有系动词 be 的某种形式时，通常可以把从句的主语和系动词 be 一同省略。while 后面可直接跟现在分词、形容词或介词短语。如：While (she was) listening to the radio, she fell asleep. 她听着收音机睡着了。While (he was) in London, he studied music and painting. 在伦敦时，他学习音乐和绘画。【句子仿写】 他看信时哭了。_4. 【课文原句】That train must have weighed more than one
5、thousand kilos! (Lesson 15)【要点点拨】must have weighed 意为“一定重达”。 “must have+过去分词” 结构表示对过去情况的一种肯定推测，意为“肯定（已经）、准是（已经）” 。如：They started early this morning. They must have arrived at the destination. 他们今天很早就出发了。他们一定已经到达了目的地。【句子仿写】 你一定已经考虑过这个问题了。_Key:1. Our school is located at the foot of Mountain Tai. / Our school lies at the foot of Mountain Tai.2. This hall is five times as big as our classroom. /This hall is five times bigger than our classroom.3. While (he was) reading the letter, he cried.4. You must have thought about this problem.
