内容正文:
7B U5知识点解析
1. better understand the importance of animals in our lives 更好地理解动物在我们生活中的重要性
*importance n. 重要性 …的重要性__the importance of …___
*be of importance = be important 是重要的 ( be of +n. = be +adj.)
2. They find their way by listening. 它们通过听来找路。
*find one’s way 找到出路 迷路____lose one’s way_____
【复习】in the/one’s way 挡道 on the//one’s way 去…的路上
in this way 用这个方法 by the way 顺便说一下
in some ways 在某种程度上
*by +doing 通过…. through +__名词短语__ 通过…
3. They are awake at night and can eat up to 1,200 insects in an hour.
它们晚上醒着的,而且1小时内能吃掉多达1200只昆虫。
* wake醒来;唤醒,醒 wake→ woke → woken
wake up sb=wake sb up叫醒某人(代词放中间)
awake (adj.) 醒着的(作表语) stay awake 翻译词:asleep adj. 睡着的 fall asleep 入睡,睡着
* up to 达到(某数量、程度等),至多有 add up to 合计,总共
4. They can lift things 50 times their own weight. 它们能够提起比自己的体重重50倍的东西。
* lift v. 举起,抬起 lift sth 举起某物
n. 电梯=elevator,搭便车=ride give sb a lift 捎某人一程
*50 times 50 倍 time:次数、倍数(可数)
【拓展】倍数表达法:
1 A + be +倍数 +as + adj.原级 + as +B.
This ruler is 3 times as long as that one. 这把尺子是那把尺子的3倍。
2 A + be +倍数 + 比较级 + than + B
This ruler is 3 times longer than that one. 这把尺子比那把尺子长3倍。(是那把尺子的4倍)
3 A + be + 倍数 + the + n.(size/length/width/depth) of B
This ruler is 3 times the length of that one. 这把尺子的长度是那把尺子的3倍。
* weight n. 重量 lose weight 减肥
the weight of sth …的重量 in weight 在重量上
eg. The cow weighs 100 kilograms. =The weight of the cow is 100 kilograms. =The cow is 100 kilograms in weight.
* weigh v. 重量 weigh—weighed—weighed
①Sb weigh(s) sth 某人称……的重量 eg.:The man is weighing the apples.
②Sth weigh(s) (up to)+ 具体数字 某物重……
He weighed (up to) 5 kilograms when he was born. 当他出生的时候重5千克。
【问重量】
(1) How much does sth weigh? (2)What’s the weight of sth? (3) How heavy is sth?
回答的形式:(1)It weighs....... (2) It is ......(in weight). (3) The weight of sth is....
5. I know butterflies taste with their feet.
*with prep. 用
【拓展】with/in/by 辨析 (用)
1 with+具体有形的工具/身体部位 with a knife 用刀 with a hand 用手
2 in +语言/材料 in English 用英语 in ink 用墨水
3 by + 交通工具/ doing(表方式,方法) by reading 通过阅读 by car 乘小汽车
* foot n. 脚 (feet名复) at the foot of the mountain 在山脚下
n. 英尺(可数)
6. My dog is the cleverest animal of all. 我的狗是所有动物中最聪明的。
*clever adj. 聪明的
比较级 cleverer(常用)/more clever 最高级:cleverest(常用) / most clever
2者出比较级,≥3出最高级
7. He doesn't just run after a ball. 它不仅仅追赶着球。
*run 相关短语
run after追赶 = chase run away 逃走
run out 跑出去 run out of.... 从…跑出…
run across 偶然遇到 run into 遇到(困难)
8. He can do wonderful tricks and loves to collect sticks. 他会做一些精彩的把戏,喜欢收集棍子。
* trick n.诡计,把戏 play a trick on sb捉弄某人
* stick n.棍; 枝条; 树枝
v.粘住; 粘贴 vi. 卡住; 陷住 stick—stuck—stuck stick to 坚持
9. He never bites, and doesn't like fights. 他从来不咬人,不喜欢打斗。
*bite v. 咬 bite—bit—bitten—biting
n. 咬,一口
*fight v. 打仗(架)→(过去式) fought → fought
① fight with sb 与某人打架 eg:The boy always fights with his neighbours.
② fight for sth 为了某物打架 The two dogs are fighting for a bone .
③ fight against sb/sth 与某人/物抗争
* fight n. 战斗,打架 eg:He was badly hurt in a fight .
* fighter n. 斗士,战斗者
10. And I'll look after him till the end. 我会一直照顾它到最后。
* till (prep.& conj.) =until到…时, 直到为止; 表示长时间,用长动词;提问用How long
not…until直到…才; 表示短时间, 用短动词 提问用When/How soon; 时态(主将从现)
eg: — _How long ___will the concert last ? — _Until____ next Monday.
· _How soon____ can we play basketball ? —__Not until___ you finish your homework.
*end n. 末尾,终点
at the end of 在…尽头(末端) in the end 最后,终于(=at last=finally)
by the end of 到....为止
eg. He will come back at the end of this month . 他将在这个月底回来。
*end v. 终止,结束 eg. When the meeting ended , I began to chat with others.
11. She can jump really high, way up into the sky. 它跳得非常高,直冲云霄。
*high adv. 高 (adj./adv同形)
jump high 跳得高(adv.) a high mountain 一座高山(adj.)
形副同形:early/late/high/fast/hard/straight
*way adv. 大量,很远
eg: The other runners are way behind. 其他跑步者远远落在后面。
12. Sometimes she climbs a tall tree, but never forgets to come back to me.
有时她爬到高树上,但从不会忘记回到我身边。
*forget v. 忘记 forget—forgot—forgotten
①forget to do sth 忘记做某事(未做) forget doing sth 忘记做过某事(已做)
反义词remember to do sth remember doing sth
—Remember to …. —OK, I will.
—Don’t forget to … —OK, I won’t.
* forgetful adj.健忘的
* back adv. 回原处
adj. 后面的
n. 后面,背部
go/come back to… 返回… give back to sb 归还给某人
13. When I'm lonely, she’s always there. 当我孤单的时候,她也一直在那里.
*lonely adj. 孤独的,寂寞的;荒凉的,偏僻的
feel lonely 感到孤独 a lonely house/ man 一座荒凉的房子/一个孤独的人
*alone adj. 单独的,孤单的 be alone 独自一人 leave sb alone 让某人独自一人
adv. 独自,单独 live alone 独自居住
alone = on one’s own = by oneself 独自
14. When I need a friend or feel sad, She is always by my side.
当我需要一个朋友或者感觉伤心时,她永远陪在我身边。
*by one’s side = at one’s side在某人身边
15. Both of the writers love their pets very much.
*both of + 限定词 + 名复 + 动复 两者都… (both A and B + 动复)
*either of + 限定词+ 名复 + 动单 其中任意一个…
*neither of + 限定词 + 名复 + 动单 两者都不…
*none of + 限定词+ 不可数名词+ 动单 ≥3以上都不….
*none of +限定词+名复 +动单/动复 ≥3以上都不….
eg: __Either of__ the two pens is mine.
__Both of___ my parents work in a hospital.
—What would you like to drink, coffee, milk or tea ? — __None____, just a glass of water. Thanks.
__None of_ the money is mine. 没有钱是我的
None of the books___ is/are_____ yours.
16. But be careful with your hands— she sometimes bites. 但是小心你的手—有时她会咬人。
*be careful with... 小心对待…
*be careful (not) to do sth. 当心/注意 (不要) 做某事
*careless adj. 粗心的,不仔细的 carelessly adv. 粗心地,不仔细地
*carelessness n. 粗心
17. He is very quiet and seldom makes any sound. 他很安静,且很少发出声音。
*sound泛指自然界的各种声音。 (可数)
*noise多指不悦耳的“噪声, 喧闹声”等。 (一般不可数,各种各样的噪音可数)
①make noise 制造噪音
②noisy adj. 吵闹的 noisily adv. 吵闹地
*voice指人的声音, 如嗓音、说话声、歌唱声。(可数)
*whisper 指低声说,耳语,叶子,风沙沙作响 (可数)
eg: I like the __sound__ of rain on the roof.
Her mother talk to her in a gentle___ voice____.
The _noise__ of traffic kept him awake.
They sat at the back, talking in __whispers____.
18.Grammar – 形容词/情态动词
*Part A 形容词—描述人或物
(1) 形容词放在名词前,作定语(adj + n)
(2) 形容词放在连系动词后,作表语(linking verb + adj)
常见的系动词:
1 be动词(am, is, are, was, were)
2 感官:感觉feel; 看起来look; 听起来;sound 闻起来smell; 尝起来taste
3 变化:变得become, get, go, turn, grow
4 保持:保持keep, stay, remain;
5 似乎seem,appear
(3) 不定代词+形容词(不定代词+adj)
(4) 作宾语补足语
① make…+adj使得…怎么样
2 find…+adj发现…怎么样
③ keep…+adj保持…怎么样
4 leave…+adj 使得…处于某种状态
⑤ find/make/think it adj for sb to do sth. 发现/使得/认为做某事对某人来说…样
(5) the+形容词;表示一类人。
(6) ① It’s +adj.+ of sb. to do sth. 某人做某事真...
这个句型通常用于描述人的性格、品质等,形容词常为 kind、nice、clever、foolish、stupid、right、wrong、careful 等。
② It’s +adj. + for sb. to do sth. 做事对某人来说...
这个句型用于描述事物的性质,形容词常为 easy、difficult、important、necessary、possible 等。
Part B:情态动词
*情态动词 can/could
① can “能、会”(表示现在的能力) could “能、会”(表示过去的能力)
我们也可以用be able to 表示能力
② 在请求或给予许可时,can最为口语化,could表示一种委婉的语气,may较正式
③ can“可能”, 表示推测;can’t “不可能”
* 情态动词may/might
①许可或征求同意,比较正式。might语气更婉转
②表推测,意为“可能,也许”,用于肯定句和否定句中; might比may语气弱。
用于主语为第一人称的一般疑问句时,否定回答用mustn’t或can’t,表示“不可以,不许,禁止”
19. When she gets tired, she sleeps in the corner of her cage. 当她累了,她就在笼子的角落里睡觉。
at the corner 在拐角处(外)
in the corner 在角落里(内)
20.—May I feed your goldfish? 我可以喂你的金鱼吗?—I’m afraid you can’t. 恐怕不能。
* feed v. 喂养 →(过去式) fed →(过去分词) fed
①feed sb sth = feed sth to sb 给某人/动物喂.....
②feed on sth 以....为主食
eg.我昨天忘记喂鸟了。I forgot to feed the birds yesterday.
我们用小麦喂养牛。 We fed wheat to the cow.=We fed the cow wheat.
熊猫以竹子为主食。 Pandas feed on bamboo.
* I’m afraid so. 恐怕这样 I’m afraid not. 恐怕不行
I’m afraid that + 句子 恐怕…
21. She isn't any trouble, just bubbles. 她不制造麻烦,只是吐泡泡。
*trouble v. 使烦恼→(过去式)troubled eg. I’m sorry to trouble you. 我很抱歉打扰你。
n. 麻烦(不可数)
eg. The boy made a lot of trouble to his parents.这个男孩给他父母制造了很多麻烦。
【拓展】 与trouble 有关的短语:
1 be in trouble 处于困难中
2 out of trouble 摆脱困难
3 get into trouble 陷入困难
4 make trouble 闹事,捣乱
5 have trouble in doing sth 做某事有困难 = have problems/difficulty in doing sth.
22. Radar allows ships to “see” things around them and travel safely.
雷达允许船来“看见”它们周围的东西并能安全航行。
*allow v. 允许
allow sb. to do sth. 允许某人做某事 sb be allowed to do sth 某人被允许做某事
allow doing sth 允许做某事
*safe adj. 安全的 keep sb safe 保持某人安全
*safely adv. 安全地 cross the road safely 安全地过马路
*safety n. 安全,保险 safety tips安全提示 safety education 安全教育
23. They cheer us up when we feel sad. 当我们悲伤的时候,它们使我们振作。
*cheer v. 鼓舞;欢呼,加油 n. 欢呼声
①cheer for sb. 为…欢呼,喝彩;给…加油
②cheer sb. up 变得高兴,振奋起来
*cheerful adj. 兴高采烈的;高兴的
*sad adj. 悲伤的 sadly adv. 悲伤地,令人难过的是
*sadness n. 悲伤 to our sadness 令我们悲伤的是
24. I agree.
*agree v. 同意
① agree with sb 表示同意某人或某人的意见、想法、分析、解释等(即持同一观点)
3 agree on sth 表示就某事达成一致意见
4 agree to sth 主要表示一方提出一项建议、安排、计划等,另一方同意协作。不能接表示人的词
④ agree to do sth 同意做某事.
*disagree v. 不同意
*agreement n. 同意 reach an agreement 达成一致
25. For example, ants are hard-working, and they often work as a team. 比如,蚂蚁很勤劳,它们经常团队合作。
*hard-working adj. 勤劳的 The boy is hard-working.
*work hard 努力工作(动词短语,其中work是动词,hard 是adv.)
*hard work 辛苦的工作(名词短语,其中hard 是adj., work是名词)
*hardly adv. 几乎不
eg: 这块地太硬了,挖不动. The ground is too hard to dig.
天如此黑,我几乎看不见任何东西。It was so dark that I could hardly see anything.
( C )It is ___________for him to get to school on time, because it is raining___________.
A. hard; hardly B. hardly; hardly C. hard; hard D. hardly; hard
( D )Seeing the new changes in her hometown, Huai’an, Sandy could _________believe her eyes.
A. properly B. highly C. nearly D. hardly
*work as a team 团队合作(as 为介词, 译为“作为”)
26. That’s correct. 那是对的。
*correct adj. 正确的;无误的;恰当的;合适的 The answer is correct.
*correctly adv. 正确地;合适的;得体的 answer the question correctly
*incorrect adj. 不正确的(in为否定前缀) incorrectly adv. 不正确地
27. Animals and humans have a special relationship, and we should respect and care for all living things.
动物和人类有特殊的联系,我们应该尊重并且关心他们。
*relationship n. 关系
①have a special relationship 有种特别的联系
②the relationship between A and B A和B之间的关系
*related adj. 有联系的 be related to 与…有关
*care for照料 = look after = take care of...
*care about关心
28. I have a pet guinea pig named Teddy. 我有一只叫泰迪的天竺鼠。
(此处named 过去分词做后置定语,等于called)
*name n. 名字
v.命名 name after… 以…命名,命名为
29. He seldom makes loud noises, and he is always happy to see me. 他很少发出大的声音,看见我总是很开心。
*loud adj. 表示“声音响亮”
adv. 指高声说话,放在动词后面。
*loudly adv. 与loud含义相同,用以说明声音的强度,含“喧闹”的意味。
*aloud adv. 强调出声,能让人听见,无比较级。用于修饰cry, call, shout等动词时,有高声之意。
*noise n. 声音;噪音(通常不可数,指各种各样的噪音,具体的声响时可数)
make noise 制造噪音 make noises 发出多种噪音
*noisy adj. 嘈杂的;吵闹的 noisy children 吵闹的孩子
*noisily adv. 嘈杂地;吵闹地 The children ran noisily down the hallway.
30. If I am down, Teddy will stay next to me and help me relax. 如果我心情不好,Teddy将待在我旁边帮我放松。
*down adj. 沮丧,情绪低落
prep.沿/顺着...往下;沿/顺着
adv. 向下; 在下面; 减弱;降低
1 let sb down 让某人失望
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