Unit 8  It must belong to Carla.
1．单词攻略
Whose adj.&pron.谁的  truck n. 卡车    picnic n.野餐  rabbit n.兔子  attend v.参加  valuable adj.有价值的  pink adj.粉红的  anybody pron.任何人 happening n.事件 noise n. 噪音policeman  n.男警察    wolf n.狼        uneasy adj. 担心的；不安的    laboratory n.实验室
outdoors adv.在户外    coat n.外套      sleepy adj.困倦的    land v.着陆    alien n.外星人
suit n.西服&v.适合    express v.表达    circle n.圆圈&v.圈出          Britain大不列颠 
mystery n.神秘事件  receive v.接收      historian n.历史学家          temple n.寺庙
leader n.领导人    medical adj.医学的    Purpose n.目的；目标          prevent v.阻止
position n. 位置      honor n.荣耀        ancestor n.祖先              victory n.胜利
enemy n.敌人          period n.一段时间    energy n. 力量；精力
2．短语集锦
1. go for a picnic/have a picnic去野餐    2.feel sleepy感到昏昏欲睡的    3.run after追赶 
4. take one’s position代替某人位置      5. at the same time与此同时    6. on purpose故意地
7. prevent sb from doing sth阻止某人做某事 8. make noise 制造噪音        9. in honor of 纪念
10. have fun doing sth做某事玩得开心      11. communicate with和...交流  12.belong to 属于 
13. a period of time 一段时间            14.pick up捡起                15. point out 指出
3．经典句型
1.It must be Carla’s. It must belong to Linda.它一定是卡拉的。它一定属于琳娜的。
2.I think somebody must have picked up. 我想一定是有人捡到了它。
3.There must be something visiting the homes in our neighborhood.
一定是什么东西拜访了我们生活中的这个社区。
4.The noisy-maker is having too much fun creating fear in the neighborhood.
这位噪音制造者对其在小区引发的恐慌正乐在其中。
5.He could be running for exercise.
他可能是为了锻炼身体在跑步。
4、语法易用
一．情态动词（must>can>could>may>might>can’t）表推测
句式
情态动词
用法
意义
例句
肯定句
must
表示有把握的推测
一定；肯定
He must be very tired after a long walk.
Could/may/might
其肯定程度逐渐减弱，表示把握性不大的推测
可能
It might rain this afternoon.
否定句
Can’t
表示有把握的否定推测
不可能
She can’t be at home. She has gone to the library.
疑问句
Can/could
表示推测
可能
Could Mike be a Chinese boy?
2．情态动词表示推测时，不同的形式表示不同的时态。
结构形式
用法
例句
情态动词+be+动词原形
表示对“现在的事情”的推测
It must be Linda’s.
情态动词+be+动词的ing
表示对“正在发生的事情”的推测
She must be running.
情态动词+have+过去分词
表示对“过去已经发生的事情”的推测
She must have been to Beijing.
五．单词精讲
1. picnic n.野餐
【短语】at the picnic在野餐    have a picnic/ go for a picnic去野餐
【考题链接】If it doesn’t rain, we can ___have a picnic/ go for a picnic_____.
2. attend v.参加
attend
常指参见正式的活动或场合，如婚礼、会议等
take part in
指参加众性活动，并着重说明句子主语（参加者）在活动中发挥作用
join
多指“加入”某组织、团体，后多接表示组织的名词，如俱乐部、军队等
join in
多指参加小规模的活动，如游戏、比赛
【考题链接】1.---Will the big boss __attend______ the important meeting tonight?---I don’t know, either.
2.His brother__joined___ the army 3 years ago. 3.Some boys in our class_has been in_the football club for a year.
3. valuable adj.有价值的；贵重的  【短语】be valuable to sb对...来说很贵重/重要
【拓展】value n.价值&v.重视；珍惜    valueless adj.无价的
【考题链接】1.Everyone knows the_value___ of the book.  2. If you__value__ your health, you should be kinder to yourself.      3.Your advice is very___C/D________ to me. I’m sure our activity will be more meaningful.
A.terrible      Bfortable    C.valuable      D.helpful
4.noise  n. 噪音      【短语】make noise制造噪音 
noise
常指不悦耳的声音，如噪音、杂音、吵闹声
voice
指人发出的声音，如说话声、唱歌声，意为“嗓音”
sound
泛指人们听到的自然界的一切声音
【考题链接】There was a loud__noise_______ outside the classroom. The physics teacher had to raise his__voice_______,“Light travels much faster than__sound________.”
5.sleepy adj.昏昏欲睡的      【短语】feel sleepy 感到困倦的
sleep
既可以作为动词，意为“睡觉”，也可以作为名词“睡眠”，have enough sleep有充足的睡眠
sleeping
形容词，意为“正熟睡的”，强调动作正在进行既可以作为前置定语，也可以作为表语
sleepy
形容词，意为“困倦的”，既可以作为定语，也可以作为便于。
asleep
形容词，意为“睡着的”，只能作为表语，不能作定语。 fall asleep 意为“入睡”
【考题链接】1. Look at the__sleepy/sleeping______ baby.  2. Tom was too excited to__fall asleep____ last night.
noise的形容词
3.Don’t make so much noise, the baby is___sleeping____.  4.Tom stayed up late to play computer games, so he___felt sleepy____ during classes.
6.receive
receive
意为“收到”，指收到某物这以动作，不包含本身是否愿意接受的意思。
accept
意为“接受”，指经过考虑后愿意接受。
【考题链接】1.He___A_______ Lucy’s invitation. But he didn’t_____________ it.
A.received; accept      B.accepted; refuse    C.received; refused    D.accepted; receive
7.purpose  n.目的；目标
【短语】the 目的    on purpose故意地
【考题链接】I am sure that he came here with the ill___C________.
A.choice              B.standard                C.purpose          D.wealth
8.prevent v.阻止
【短语】prevent sb from doing sth=keep sb from doing sth=stop sb from doing阻止某人做某事;让...免受伤害
【拓展】（away） from远离；避免接近stay away from远离
【考题链接】1.You should__keep__ your children__away_  _from__junk food.
2.Please_stay away from__the fire.  3.The police tried to stopped/prevented___the thief__from______running.
4.I will try my best to prevent my son from___D_____the same mistake.