Unit 8 Life in the future第 2 课时——阅读课后拓展课时精讲栏目导航课时过关课文重点句子的讲解和学习
1.Heat is held under the glass and is then used as energy for each house
热量可以被保存在玻璃下面,然后被用作每一幢房子的能源
(1)hold v
(hold—held—held)举行;容纳 Sports meeting is held in our school every year
我们学校每年都举行运动会
【小试牛刀】 The hall is big enough (hold)200 people
这个大厅足够大到能容纳 200 号人
(2)be used as 被用作…… It is used as the source of energy
它被用作能量之源
to hold 【拓展】be used for… 被用来做…… be used to do sth
被用来做某事 be used to doing sth
习惯做某事 used to do: did sth
before, but no longer do 过去经常做…… It is no use doing sth
做某事是无用的/徒劳的
Knives are used for cutting things
小刀用来切东西
Knives are used to cut things
小刀用来切东西
I am used to getting up early
He used to swim in the morning
他以前经常在早上游泳
【小试牛刀】 It is no use (wait)here
等在这里是徒劳的
waiting (3)【同根词】us