7B U4 [welcome the unit] 跟着某人：follow sb follow me 跟着某人做某事：follow sb to do sth ①务必（不）要做某事：be sure (not) to do sth ②对..有把握：be sure of/about doing sth ③be sure+(that)从句 山间的一条小路：a path between the hills 4.从这儿下去：go down here 上去：go up 5.afraid①别怕：Don’t be afraid. ②害怕做某事be afraid to do sth/be afraid of doing sth 6.必须/不得不做某事：have to do sth 否定：doesn’t/don’t have to do sth. 疑问：Do/Does....have to do sth ★ 东：east 东方的：eastern 西west： 西方的：western 南：south 南方的：southern 北：north 北方的：northern 东北：north-east 东南:south-east 西北：north-west 西南：south-west 表示方位：（两地不包含的情况）:A+be +方位+of +B =A+be+to+the+方位+of+B★ 包含： A+be+in+the+方位+of +B★ 接壤： on 不接壤： to 去旅行：go for (a) trip 离......远：be far away from.... 3千米远：3 kilometres away 有具体数字时，不加“far”:be+数字+单位+（away）from. [Reading] 动物园之旅：a trip to the zoo 2.直走：go/walk straight on 3.躺下：lie down 4.整天地：all day long 全年：all year long 5.沿着....走：walk along ........ 6.记得做某事（未做）remember to do sth (已做)remember doing sth 忘记做某事(未做) forget to do sth (已做) forget doing sth danger n.危险 dangerous adj.危险的 处于危险：be in danger 脱离危险：be out of danger 绝不要靠近他们：never go near them 左/右转：turn left/right 在左/右边：on the left/right 在..左/右边：on the left/right of.... 发出美妙的声音：make beautiful sounds 11.聪明又滑稽：be clever and funny 12..蹦来蹦去：jump around 13.使人们大笑：make people laugh 14.帮助他们吃到树上的叶子：help them eat the leaves from the trees ( Noise 噪声 Sound 所有声音 Voice 人声，歌声 )15.过桥：cross the bridge= go/walk across the bridge 16.像敞开的扇子：be like open fans [Grammar] Ⅰ冠词(冠词本身无独立意义，用来帮助说明名词所指的人或物是泛指还是特指) 定冠词 the 特指 不定冠词 a an 泛指 不定冠词 a an 的用法： ①表示某人、某物的某一类 My brother is a doctor. Do you like a dog or a cat ②表示某一事物中的任何一个 A cat can catch mice. An elephant is much bigger than a horse. ③表示某人某物但不具体说明何人何物 A patient in the hospital died yesterday. ④表示数量 “1” There is a big desk in the front of the classroom. ⑤有些不可数名词要表示“一种；一场；一堆”时，要用到a/an a heavy snow 一场大雪 a strong wind 一阵大风 a light rain 一场小雨 make a fire 生一堆火 ⑥在一些固定词组中 have a rest 休息一下 a lot of许多 just a moment just a minute half an hour...... 定冠词 the 的用法 ①指上文提到过的人或物 Dad bought me a pen for my birthday last week,but the pen was lost yesterday. I have a bike. The bike is old. ②世界上独一无二的事物 the sun 太阳 the moon 月亮 the earth 地球 ③在序数词、表示方位的名词、形容词最高级前 the second one 第二个 in the north 在北边 the best student 最好的学生 ④乐器名称前 play the guitar 弹吉他 play the violin 拉小提琴 play the piano 弹钢琴 ⑤在复数姓氏前用the表示某某一家人，常看成复数 The kings(= the king family) are going to keep a dog. 金一家打算养条狗。 The Greens are having a dinner. ... ...
