m7 u3 language points
welcome to the unit
1.search for sb/sth 搜寻某人或某物
search sb./sp. … 搜某人的身或某地寻找某物
search sp for sth= search sth in sp
in search of in one’s/the search for 寻找
search the room/the prisoner
search the internet for information
they all went out in search of the lost child, but in vain.
2.what do you usually use it for?
what for?=for what purpose? for what?=why
so what?那又怎样 what if?要是…怎么办？
how come?怎么会？ how did it come about that he knew where i were?
3.limit
have no limits 无极限 within limits 有限度地
without limit无限地 set a limit to 对。。规定限度
limited 有限的 be limited to doing
reading
1. value
n.强调“事物的使用价值和经济价值”。
a diet lacking in nutritional value won’t keep a person energetic.
食物中缺少营养价值不能维持人的活力。
be good value for money货真价实
be of great value=be very valuable.
the diamond necklace is of great value. = the diamond necklace is valuable.
his contribution was of little or no practical value.
people have begun to realize the value of protecting the environment.
vt.珍惜 value friendship/independence/doing
辨析worth：强调“事物的道德、文化、精神方面的内在价值”。
the pair of boot is worth more than 1000 yuan. 这双靴子价值超过1000元。
值得：be worth doing；be worthy to be done或be worthy of being done。
如：lily is worth making friends with. lily是个值得交的朋友。
=lily is worthy to be made friends with.
=lily is worthy of being made friends with.
《练习》 different people have different _______.
a. valueb. worthyc. worthd. valuable
1.need(line 7) 需要… in need of
be in great /bad /urgent need of… =be badly in need of…
people in need there is no need for sb. to do sth.
3. turn to sb./sth. (line 8) 求助于，转向
the boy turned to his mother for comfort.
there is nobody she can turn to. 她求助无门
4.command
(1)及物动词 vt.
①命令+that
i command that he (should)go at once. 我命令他立即就去。
i command you to start at once. 我命令你立即动身。
②指挥,统率;控制 he was told to command his temper. 有人叫他控制脾气。
③博得,赢得 honesty commands respect. 诚实博得尊敬。
④俯瞰,俯临 the hill commands the sea. 这座山俯临大海。
⑤拥有,掌握 command funds,skills,resources,good health
(2)n. ①命令[c] her commands were quickly obeyed.
②控制,控制权;指挥,指挥权[u] he has a hundred men under his command.
in command(of) 负责 under one’s command=under the command of
③司令部,指挥部[c] western command
