Unit 4 Road safety
【四会内容】
1.go straight on 一直向前
2.lie down 躺下来
3.all day long整天的
4.jump around 到处跳
5.make people laugh 使人笑
6.cross（=go/walk across）the bridge 过桥
7.lie on the grass 躺在草地上
8.over there 在那边
9.on the left/right 在左/右边
10.on the left/right of…… 在……的左/右边
on one’s left/right 在某人的左/右边
11.walk past the house 走过那幢房子
12.at the corner of 在…拐弯处
in the corner 在角落
13.plenty of food = a lot of food 充足的食物
【重点句型】
1. Are you sure, Hobo?
①be sure of sth. 对……确信（有把握） ②be sure to do sth. 一定要去做某事
③be sure +that从句
I am sure of my answers. 我对我的答案有把握。
They are sure to win the game. 他们一定会赢得比赛。
I am sure that they will win the game.
2.I think we have to go up again．
have(had/has) to意为“不得不"，强调客观，愿意也要做，不愿意也要做 （否定式 don’t have to）must强调主观，自己认为必须要去做, 但mustn’t 意为“禁止，不准”,语气强烈。
Dad, must I finish my homework before going shopping？
爸爸，我必须要在购物之前完成作业吗？
肯定回答：Yes, you must./ I’m afraid you have to.
否定回答：No, you don’t have to./ No, you needn’t.
My bike is broken，so I have to walk to school．
3.Sunshine Zoo is north of Sunshine Middle School．
表示“A在B的东/南/西/北面”用句型:”A is east/south/west/north of B”其同义句是：
A is to/on the east/south/west/north of B
eg. Nanjing is west of Shanghai=Nanjing is to the west of Shanghai.
表示方位的介词in, on与to 的区别
①in表示 A在B的范围之内, Taiwan is in the south of China.
②to表示两者不接壤，不从属 Hangzhou is to the south of Taizhou.
③on表示两地接壤 China is on the south of Russia.
4. Remember that they are dangerous. Never go near them.记住他们很危险，不要靠近他们。
①remember sth. 记得/记住某物 Can you remember your ID card numbers?
②remember to do sth. 记得去做某事（未做）
Please remember to turn off the lights when you leave.
③remember doing sth. 记得做过某事（已经做了）
I remember turning off the lights, but it’s on now.
④remember +that从句 反义词：forget（过去式forgot）用法相同
eg. Please remember to turn (turn) off the light when you leave the classroom.
I remember meeting (meet) the man somewhere.
5.Go straight on，and you’ll find the Panda House.
“祈使句+and／or +一般将来时"表示在假设的某种条件下将会产生的结果，and通常后接好的结果，or意为“否则”，通常后接不好的结果。如：
①Hurry up, and we’ll catch the early bus．
②Hurry up,or we’ll miss the early bus．
Work hard, and you’ll pass the exam. (and/or)
6. Take the second turning/crossing on the right.在第二个拐弯处向右拐。
= Turn right at the second turning/crossing.
7.The treasure is under the ground in front of the third tree on the left．
in front of意为“在某物外部的前面”，in the front of指“在某物内部的前面”。
①The teacher is having the lesson in the front of the classroom．
②There is a bus in front of the classroom．
Eg. Lily is sitting in front of Daniel.
8.How do I get there? 去那儿的路怎么走呢?
这是问路的一种表达。还有如下同义表达：
①Which is the way to．．．? ②Where is the...?
③Is there a．．．near here? ④Could you tell me the way to...?
⑤Could you tell me how to get to/how I can get to... ?
9.①sound n.声音 在一般情况下，泛指各种声音。如：
sound vi.听起来（系动词） Your idea sounds great.那听起来是个好主意。
②与noise, voice 的用法区别
noise 主要指大声的、令人不愉快的声音，尤指噪音(可用作可数或不可数名词)。
voice 主要指人讲话或唱歌的声音(是可数名词)。
10. prepare …… for……为……准备……
【语法讲解】
1．冠词(a／an，the)
the用法：特指双方熟悉，上文已经提及，世上独一无二，方位名词乐器，某些专有名词，外加姓氏复数序数词最高级，也指固定人群 （the poor/young/ old……穷人们、年轻人们、老人们）零冠词：下列情况不用冠，名词之前代词限，复数名词表种类，球类学科和三餐，四季七天12个月，交通方式和节日，固定搭配和头衔。
2.方位介词：in，on，under，behind，near，at，between（在两者之间），in front of／in the front of，above，below, beside，inside，outside等。
①Shall we meet in front of the school gate?
②It’s very cold outside the room. Please come in ,Simon.
③Nick lives on the fourth floor. I live two floors above him, I live on the sixth floor.
through介词，意为“通过；穿过”，多指从立体空间（的内部）穿越，可和forest, city, window等搭配。over指从物体的悬空上方移过，across指从表面穿过，可和street, bridge等搭配。
①We’re looking through the window.
②Look! The old man is walking across the street.
③Can you swim across the river?
④The road runs through the fores.
⑤Go across the bridge，you’ll find a cinema．
⑥Many birds are flying over our building．
in front of 指在某物（外部）的前面，与“behind 在……后面”相对应，in the front of 意为在某个物体内部的前端，与at the back of 相对应。
①There are some trees in front of our classroom.(树在教室的外面，不是生长在教室里)
②There is a teaching desk in the front of our classroom.(讲台在教室里面)下载本文
