Unit 7 What’s the highest mountain in the world?
课时2 Section B 1a-3b
1. This elephant weighs many times more than this panda. 这只大象比这只大熊猫重很多倍。
(1)weigh既可作及物动词,表"称重",也可作连系动词,表"有……重;重"。
I weighed the box. It weighs 20 kg. 我称了这个盒子,它重20公斤。
She is afraid of becoming fat. She weighs herself every day. 她怕发胖。每天都称体重。
【知识拓展】
其名词形式为weight。常用短语:in weight在体重方面。 The boy weighs 20 kg. =The boy is 20 kg in weight. 这个男孩重20公斤。 |
He ____________(weight)only 70 kilos now after taking a balanced diet.
【答案】weighs
(2)time在此意为"倍数,次数",表示三倍或三倍以上时使用。表示 "A 比B长(宽、高、大、重等)N倍"时,其结构为"A+be+基数词(N+1)+times+形容词比较级+than+B "。
This hall is five times bigger than our classroom. 这个大厅比我们的教室大四倍。
I have been to Beijing three times. 我去过北京三次了。
【注意】"两倍"可用twice表示。
【知识拓展】
表示"A 的长度(宽度,高度,大小,重量等)是 B 的 n倍",可用 "A + be + 基数词(N)+times + as + 形容词原级 + as + B"结构。 This tree is three times as tall as that one. 这棵树是那棵树的三倍高。 His father is twice as old as he. 他父亲的年纪有他两倍大。 |
—I hear you’ve bought a new house.
—Yes, it costs too much. Anyway, it’s ___________ my old one.
A. twice as big as B. as twice big as
C. bigger two times than D. two times bigger as
【答案】A
2. A panda can live up to 20 to 30 years. 大熊猫能活20至30岁。
up to到达(某数量、程度等);至多有;不多于。live up to指"活到……岁"。
There are up to seventy students in the classroom. 教室里学生不多于七十人。
The old man can live up to ninety years. 这位老人能活到九十岁。
Do you know his date of birth? 你知道他的出生日期吗?
【知识拓展】
up to的其他含义: (1)up to 直到;到……为止 Up to now everything has been successful. 到目前为止,一切都很顺利。 (2)up to sb. 某人的责任;由……决定 I think I will leave it up to you. 我想让你决定。 |
It’s ___________ weight的短语Mr Zhang ___________ teach us English.
A. up to;to B. up to;for
C. up for;to D. up for;for
【答案】A
【解析】考查动词不定式及固定短语的用法。句意:教我们英语要由张老师来决定。根据句意"由……决定"应是(be)up to;it在句中作的是形式主语,代替后面的不定式,故选A。
3. At birth, a baby panda is about 0.1 to 0.2 kilos. 出生时,一只大熊猫宝宝大约0.1到0.2千克重。
birth n. 出生;诞生。常见搭配:
at birth出生时
date of birth出生日期
give birth to生孩子
What’s your date of birth?你是哪天出生的?
【易混辨析】 born/birth
(1) born是bear的过去分词,意为“出生”,常用结构:sb.was/were born。
I was born in summer in 1988.
我出生于1988年的夏天。
(2) birth是名词,意为“出生,诞生,分娩”,反义词是death,意为“死,死亡”。
She gave birth to a girl last night.
她昨晚生了一个女孩。
4. Panda keepers are preparing milk for the baby pandas’ breakfast. 大熊猫饲养员正在准备大熊猫宝宝的早餐牛奶。
prepare sth. for sb./sth. 给……准备……。
She prepared a nice breakfast for us. 她给我们准备了可口的早餐。
【知识拓展】
(1) prepare sb. for sth. 使某人对某事有所准备 She said so because she wanted to prepare her father for the bad news. 她这样说是因为她想让爸爸对那个坏消息有所准备。 (2) prepare to do sth. 准备做…… They were preparing to cross the river when it began to rain. 他们正准备过河,这时下雨了。 (3) prepare sb. to do sth. 使某人准备做某事[来源:Z,xx,k.Com] Father is preparing my little brother to go to school. 父亲正使我的小弟弟为上学做准备。 (4) be prepared for sth. 为……做好了准备,强调状态。 They were prepared for the worst. 他们已准备好了应付最坏的情况。 (5) prepare for意为"为……做准备",for后面的宾语是准备的对象。 The students are busy preparing for the final exam. 学生们正在忙着准备期末考试。 |
—Can you go to the beach with me?
—I’d love to. But I have to _______________ tomorrow’s exam.
A. look for B. ask for C. prepare for
【答案】C
5. …they find that most of the babies are already awake and hungry. ……他们发现大多数的大熊猫宝宝已经醒来并且饿了。
awake此处用作形容词,意为“醒着的”,它在句中常作表语。反义词是asleep。
Is he awake or asleep?他是醒着还是睡着了?
注意:awake不用于名词前作定语。
【易混辨析】awake与wake
awake形容词,意为“醒着”,常用作表语
wake动词,意为“弄醒;醒”,常与副词up连用
It’s eleven at night. He is still awake. 夜里十一点了,他还没有睡。
Please wake me up at six in the morning. 请早上六点叫醒我。
After working all night, Kate couldn’t stay____________the next morning.(wake)
【答案】awake
6. …, they run over to them with excitement and some of the young pandas even wal
k into their friends and fall over! ……它们兴奋地跑向他们,其中一些年幼的大熊猫甚至撞上自己的伙伴而跌倒。
(1)excitement n. 激动;兴奋。
The excitement of the games has made them tired. 做游戏的兴奋使他们很疲劳。
【易混辨析】excite、exciting、excited、excitement
excite | 动词,意为"使兴奋,使激动"。 | The news excited everybody. 消息鼓舞了每个人。 |
exciting | 意为"令人兴奋的",主语一般是物,在句中作表语或定语 | The news is so exciting that we can’t go to sleep. 这个消息让我们兴奋得无法入睡。 |
excited | 形容词,意为"兴奋的",多指人受到事物的影响,主语一般是人,在句中作表语。be excited about表示"对……感到激动"。 | We are very excited to hear of your success. 听到你们的成功,我们非常兴奋。 |
excitement | 名词,意为"激动,兴奋"。 to one’s excitement意为"使某人兴奋的是"。 | To my excitement, our team won. 让我兴奋的是,我们队赢了。 |
How ______________ it is to watch the new film!
A. excitement B. excited
C. exciting D. excitedly
【答案】C
(2)fall over表示"绊倒,摔倒"。
She hit him so hard that she fell over. 她重重地撞击他,结果自己摔倒了。
【易混辨析】fall down、fall off、fall over
fall down | 强调的是"向前摔倒、跌倒",后面不接宾语。 | The boy hit the tree so hard that he fell down. 男孩重重地撞在树上,结果自己倒下了。 |
fall off | 强调的是"滑倒、倒下",后面接宾语时应加上介词from。 | The girl is falling off the bike. (= The girl is falling down from the bike.)女孩正从自行车上摔下来。 |
fall over[来源:Z+xx+k.Com] | 强调的是"跌落、从……掉下来",后面不接宾语。 | I saw the little girl fall over. 我看到这个小女孩跌倒了。 |
版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198,我们将在24小时内删除。
发表评论