Unit 1 Life on Mars
eg. the play is very moving.
we were greatly moved by what he said.
2、at the moment, it may be difficult to imagine, but …. 現(xiàn)在，很難想象，但是…。
at the moment “現(xiàn)在、目前”
eg. we have no cars at the moment. 我們現(xiàn)在還沒有汽車。
my mother is cooking the meal at the moment. 我媽媽現(xiàn)在正在做飯。
imagine v. 想象、設(shè)想，后跟名詞、動名詞或從語作賓語，也可跟復(fù)合賓語。
eg. little tom likes to imagine himself an air pilot. 小湯姆喜歡想象自己是個飛行員。
can you imagine her becoming a pilot?
you can’t imagine how i missed you. 你們不能想象我多想念你們。
imagine v.→imagination n.→imaginative adj.
3、by the tear 2100, we will live on the planet mars. 到21XX年，我們將生活在火星上。
by 介詞，“到……為止”，后跟將來時的時間，用一般將來時；后跟過去時的時間，用過去完成時。
eg. by next month, we’ll finish learning book three.
by last year, they had worked there for 20 years.
4、first of all, transport should be much better.
first of all = first 首先，第一；指在所有的事中，首先要做的事
eg. first of all，let me say something about our plan.
at first 最先，當(dāng)初；指事物最先的情況，而后來往往有變化。
eg. at first i didn’t like him, but now i do.
5、at present, our spacecraft are too slow to carry large numbers of people to mars. 眼下，我們的太空飛船太慢了，不能把大批人送到火星上。
large numbers of = a number of … “許多、大量”，修飾可數(shù)名詞的復(fù)數(shù)
eg. chinese is spoken by the largest numbers of people. 講漢語的人最多。
large numbers of my friends / a number of my friends came to the party.
6、to prevent this, humans on mars have to wear special boots to make themselves heavier. 為了預(yù)防(防止)這一切，在火星上的人必須穿上特制的鞋子來給自己加重。
prevent ① vt. 防止、避免
eg. prevent accidents
② vt. 阻擋、制止
prevent sb. (from) doing sth.
eg. the rain prevented us from coming in time. 下雨使我們沒有及時到來。
nobody can prevent us from getting married. 什么也不能阻止我們結(jié)婚
類似的短語有： stop sb. (from) doing sth
keep sb. from doing sth
eg. he stopped the child from playing near the river.
the rain kept us from going out.
7、every student will have a computer at home connecting to an inter-planet computer network. 每個學(xué)生家里將有一臺電腦和行星之間的電腦網(wǎng)絡(luò)相連接。
connect to 把……和……相連接
eg. the keyboard has been connected to the computer.