2. It takes a very unusual mind to undertake the analysis

　 of the obvious.

　 分析显而易见的事物需要非凡的头脑。

　 It takes (sb.) sth. to do sth. 为固定句式。take意为

　 “花费、需要”。

　 It took unusual courage and determination to break

　 away from his family.

　 与他的家庭决裂需要非凡的勇气与决心。

　 Perseverance is a kind of quality - and that is what it

　 takes to do things well.

　 毅力是一种品质 - 是做好一切事情所需要的东

　 西。

1. By asking why，how and what if, curious minds find

　 new ideas and solutions.

　 What if...? 如果……怎么办呢／样?

　 What if...? 相当于What would happen if...? 或 What

　 should we do if...?

　 What if father knows the rmult?

　 要是父亲知道了结果会怎么样呢?

　 What if the rumour is true?

　 万一谣传是真的呢?

4. burn down, burn up, burn out

　　 bum down 指“烧为平地，烧毁”；也指“火力减弱”。

　　 The house was burnt down in an hour.

　 房子一小时被烧为平地。

　 bum up 有“烧旺”之意，也可指“消耗掉”。

　 You'd better put more wood on the fire to make it burn

　 up.

　 你最好往火上添着柴，让它烧旺。

　 bum out 指“火熄灭”。

　 The fire had burnt out before I returned.

　 在我回来前，火已经熄灭了。

　　 ☆句型诠释☆

3. elect, select, choose

　 elect 只能用于选举人，是投票选举的正式用语。

　 They elected Nixon President. 他们选尼克松为总统。

　 choose 可用于挑选人或物。

　 It's hard for me to choose one from s0 many pairs of

　 shoes.

　 要从这么多双鞋子当中挑选一双对我来说真是太难了。

　 select 意为精心挑选，多用于物。

　 She selected a pair of socks to match her suit.

　 他精心挑选了一双袜子来与衣服搭配。

2. be known for, be known as, be known to

　 beknown for 以……出了名 (通常不是指同位的关

　 系)

　be known as 作为……出了名 (通常加上职业名词，

　 表同位关系)

　 be known to 为……所知

　 Japan is known for its cars.

　 日本以它的汽车而闻名。

　 Luxun is known as a writer.

　 鲁迅作为作家很出名。

　 As is known to all, China has four famous invitations.

　 众所周知，中国有四大著名的发明。

1. observe, watch

　 当“观察”来讲时，observe相当于watch carefully，尤

　 其用于实验或研究等场合。

　 具体来说，observe含有“察觉到”的意思，watch意为

　 “盯着看”。

　 watch 还含有“观看(比赛、电视)”等，而observe没有

　 此意。另外，watch还有“照料”之意，相当于take

　 care of。还有“当心”之意，相当于be careful with。

　 She has observed the stars all her life.

　 她一生都在观察星星。

　 I'll watch the baby while you are away.

　 你不在时，由我照料你女儿。

　 You'd better watch Mr Smith, I think he is a thief.

　 你最好当心史密斯先生，我想他是个贼。

5. ____ him she often turns for advice in critical

　 moments.

　　　 A. To　　　　　　　　　　 B. For

　　　 C. At　　　　　　　 　　　D. Over

　　 ☆词语比较☆

4. ____ we move the picture over there.'? Do you

　 think it'll look better?

　　　 A. What for　　　　　　　 B. How about

　　　 C. What if　　　　　　　 D. If

3. Our teacher, ____, is full of knowledge and

　 kind.

　　　 A. looking about　　　　　 B. looked about

　　　 C. looking after　　　　　 D. looked up to

2. ____ a difference which you choose.

　　　 A. There's　　　　　　　　 B. What has

　　　 C. It makes　　　　　　　 D. That does