Unit 8 Natural disasters 期末复习学案 （重难点精讲+巩固练习+答案）

中小学教育资源及组卷应用平台 8Aunit8 重点短语 At first起初 mop....up把…用拖把擦干净 wash away冲走 run out of从……里跑出来 try ones best to do sth.尽力做某事 catch fire着火 in fear处于恐惧中 go through one’s mind 掠过某人的脑海 run in all directions四处逃散 fall down落下 not.... at all一点也不 move away搬走,移开 say to oneself自言自语 calm down冷静 shout for help大声呼救 find one's way out找到出路 up and down上上下下 at last最后,终于 as...as possible尽可能… break down(车辆或机器)出故障,坏掉 cover sth. with sth.用某物将某物覆盖 stay away from远离… share sth. with sb.和某人分享某物 keep doing sth.一直做某事 fall over摔倒 二．重点语法 (1) thousands of people意为“成千上万的人”,其中 thousand用复数形式加of,表示大概数目,意为“成千上万的;数以千计的”。类似的还有hundreds of(数以百计的), millions of(数以百万计的)。如: We plant thousands of trees on the mountains every spring. 每年春天我们在那些山上种下成千上万的树木。 (2) hundred, thousand, million等前面与其他具体数词连用时,表示精确数目,不用复数也不与of连用。如: There are about two thousand students in the school..那个学校大约有两千名学生。 run out意为“跑出来”,run out of还可表示“用完了”，主语为时间、食品、金钱等无生命名词,是主动结构表示被动意义, run out of意为“从…中跑出来;用完”,主语一般是人,如: Eddie’s food soon ran out. 埃迪的食物很快就吃完了。 Some people were running out of the shopping mall. 一些人正从购物中心里向外跑。 Don't run out of the money before July 10th. 不要在7月10日前把钱花完。 direction作名词,意为“方向”, in all directions= n every direction,意为“四面八方”。如: Could you tell me in which direction you are going? 你能告诉我你们要去哪个方向吗? The sheep ran in all directions. 羊群向四面八方跑去。 direction作名词,还可意为“指示;说明”。如： Your mother's advice is right. You should follow her directions. 你妈妈的建议是对的。你应当按她的指示去做。 fall down意为“跌倒;落下”,如： Babies often fall down when they learn to walk. 婴儿在学走路时经常摔倒。 (辨析) fall down,fall of与fall over ① fall down意为“跌倒;落下”,后面接宾语时要加介词from. The boy fell down from the bike and hurt his left leg. 这个男孩从自行车上摔了下来,伤了左腿。 ② fall off意为“跌落;从…掉下来”,后面可直接接宾语。 The man fell off the horse. 这个人从马上跌了下来。 ③ fall over意为“向前摔倒;跌倒”,后面不加宾语。 I saw the little boy fall over and hurt his head. 我看见这个小男孩摔倒了,伤了头。 beat作动词,意为“(心脏)跳动”,如： He is alive - his heart is still beating. 他还活着一他的心脏仍在跳动 beat作动词,还可表示“打败,击败”的意思。如： Our basketball team beat theirs easily. 我们的篮球队轻松地击败了他们的篮球队。 since作连词,意为“因为;既然”。如： Since he was busy, he didn’ t come.他因为忙,所以没有来。 辨析：since,as与 because 三个词都表示“因为”,引导原因状语从句。 ① since表示双方都知道的原因或不如句子的其余部分重要,意为“既然”,常位于句首,不能回答why的问句,如: Since everyone is here,let' s begin our meeting. 既然大家都来了,我们就开始开会吧。 ②as引导的从句多置于句首,表示十分明显的原因,意为“由于; ... ...