Unit 5 First aid学案 (1)
1. 我的小确幸作文First aid is a temporary form of help given to someone who suddenly falls ill or gets injured before a doctor can be found.
急救就是在找到医生之前对突然生病或受伤的人提供的一种暂时的帮助。
（句法分析）given…为过去分词短语作定语；who引导的从句为定语从句，修饰先行词someone; before…found是时间状语从句。
first aid 急救
搭配：do/ give/ offer first aid 施以急救
I'm going to have a first aid cour.
我打算去上急救课。
fall ill (=be taken ill)生病
The man fell ill on the train.
这位男士在火车上病了。
My aunt was taken ill last night.
我阿姨昨晚生病了。
2. What kind of first aid would you perform in this situation?
在这种情形下你将使用哪种急救方法？
（句法分析）本句是what引导的特殊疑问句。
perform v. do; carry out; act or show 实行；表演；演戏；演奏；表现
The surgeon has performed the operation.
这位外科医生做完了这例手术。
The magician performed some astonishing tricks.
魔术师表演了一些令人惊叹的戏法。
3. 方太洗碗机The functions of your skin are also very complex: it keeps you warm or cool; it prevents your body from losing too much water; it is where you feel cold, heat or pain and it gives you your n of touch.
皮肤的功能也是如此复杂：它可以保暖或御寒，保持体内大量水分。正是皮肤使你感到冷热，疼痛，它还使你有触觉。
（句法分析）本句由四个并列分句组成，第一个分句用了“keep+宾语+宾补”结构，第三个分句中where引导表语从句。
sen of touch触觉
链接：
表示其他各种感觉的短语有：
sen of sight 视觉 n of hearing 听觉
sen of taste 味觉 n of smell 嗅觉
sen of humor 幽默感 n of beauty 美感
Sen of direction 方向感 n of urgency 紧迫感
4. So as you can imagine, if your skin gets burned it can be very rious.
因此，你可以想象到，如果你的皮肤烧伤了，就可能非常严重。
（句法分析）as you can imagine是as引导的非限制性定语从句；if引导了条件状语从句，表示假设。
as引导定语从句
(1) 与such, the same连用，as在从句中作主语，宾语或表语。
He is not the same man as he ud to be.
他不再是从前的那个样子。
Such people as you describe can't be found anywhere.
你所描述的这样的人是找不到的。
(2) as所引导非限制性定语从句时，先行词往往为一个句子。
铁梗海棠
The football team won the game, as we had expected.
正如我们所预料的那样，这支足球队赢了。
(3) as 与which都引导非限制性定语从句，有时可互换，但有些区别，在句首或句中时只能用as。
The teacher is from Beijing, as / which we know from his accent.
这位老师来自北京，这一点我们可从他的口音中听出来。
5. There are three types of burns. Burns are called first, cond or third degree burns, depending on which layers of the skin are burned.
烧伤有三类：根据皮肤烧伤的层次而有一度烧伤，二度烧伤和三度烧伤。
（句法分析）depending on which layers of the skin are burned 为现在分词短语作伴随状语。
Charles Danny left France, preferring to give up his fortune.
查尔斯·达尼宁愿放弃也要离开法国。
6. turn white when presd 受压时变白
（句法分析）when presd是被省略的时间状语从句，全句为摇摇杯怎么用when it is presd。
turn link-v. to change so as to become (especially something bad) 使成为；转变成，气候跟形容词或名词作表语。
In autumn the leaves turn brown. 秋天树叶变黄。
状语从句的省略
在时间，条件了让步等条件状语从句中，当从句主语与主句主语一致或从句主语是it，且从句谓语动词为be动词时，往往把从句主语与be动词一起省略。
While reading, I heard the telephone ring.
我在读书时，听到电话铃响了。
Unless invited, I won't go to the party.
除非受到邀请，否则我不会去参加聚会。
If necessary, I'll go with you.
如果必要我将和你一起去。
7. It is best to place burns under gently running water for ten minutes.
look的音标(句法分析)It 在此句中是形式主语，真正的主语是不定式短语to place burns under gently running water for ten minutes。
It is best to…是句型，相当于It's better to…词语意思最好……
It's best to get your homework done now since you are to travel tomorrow.
既然你明天要旅行，你最好今天把作业做完。
8. For first degree burns, place cool, clean, wet cloths on them until the pains are not so bad. For cond degree burns, keep cloths cool by putting them back in a basin of cold water, squeezing them out and placing them on the burned area over and over again for about an hour until the pain in not so bad.
对于一度的烧伤的患者，要把清凉的干净的湿布放在烧伤面上，直到疼痛感较轻时为止。对于二度烧伤，要保持湿布清凉，需把湿布放回一盆冷水中，拧出水后再放在烧伤面上，这样反反复复地做一个小时左右，直到不太痛为止。
（句法分析）第二句中,by至句末是方式状语。主句是祈使句，用了“keep+宾语+宾补”结构。
squeeze
(1) vt. to press firmly together, especially from opposite sides 压，挤，捏
He squeezed her arm sympathetically.
他同情地握了握她的手臂。
(2) vt. to get or force out by squeezing 压出；榨出；挤出
搭配：squeeze + n. + adv. / prep.
She squeezes the water out of the sponge.
她把海绵里的水挤了出来。
天渠电影
(3) vi. To fit by forcing, pressing, or crowding 挤入；挤过；塞
搭配：squeeze + adv. / prep. ; squeeze +宾语+adv. / prep.
Is the car full? Can I squeeze in?
汽车坐满了吗？我还能挤进来吗？
拓展：squeeze out 挤出
squeeze out of 从……中挤出（榨出）
squeeze through 挤着通过
什么花最美9. Sam knocked over a kettle full of boiling water onto his leg.
萨姆撞翻了一个盛满沸水的水壶，热水泼在了他的腿上。
（句法分析）full of boiling water作后置定语，修饰a kettle。
knock over: to strike to the ground 撞翻；撞倒
The car knocked the bike over.
汽车把自行车撞倒了。
Who knocked over the bottle?
是谁把那个瓶子打翻的？
拓展：knock down 打倒/ 撞倒（某人）；拆除
knock back 一下子喝掉；花费掉
knock off 下班；停止工作；减价
knock at/ on 敲（门，窗等）
