初二寒假作业本国标版的答案 《轻松快乐过寒假》江苏人民出版社,蓝色的,我要数学,英语,物理

 我来答
M__Flower
2011-02-10 · TA获得超过120个赞
知道答主
回答量:2
采纳率:0%
帮助的人:3.1万
展开全部
  只有英语。 仅供参考。
  练习一

  一:

  1:honest

  2:secret

  3:ready

  4:nothing

  5:humour

  6:bowls

  7:magazines

  8:special

  9:slim

  10:round

  二:

  1:Which boy is Peter?

  2:Why his legs do not fit under the school desks?

  3:Betty and I may not get to see each other often.

  4:The boy called Jim wants to see you

  5:Do you think climbing is as exciting as skating?

  三:

  1—5:EDBCA

  四:

  1—5:BDDBD

  6—10:CCBAC

  五:

  1—5:BABAC

  6—10:BCBDC

  六:

  1—5:AAAAB

  练习二

  一:

  1:geography

  2:tennis

  3:point

  4:health

  5:elevator

  二:

  1:is different from

  2:is more boring than

  3:the tallest of

  4:more subjects than

  三:

  like classes How many library have

  四:

  1—5:BDDCC

  6—11:BBADAC

  五:

  1—5:DBABC

  6—10:BDBCD

  六:

  1—5:BBDDC:

  练习三

  一:

  1:tidy

  2:President

  3:winners

  4:remember

  5:tickets

  二:

  1:Nancy went to Suzhou by train last year .

  2:She like her mother and likes her mother too.

  3:Linda,don't tell anyone about the matter .

  4:There are more than two hundred places of interest from Beijing.

  5:It is fine ,but he don't go out and stay at home.

  三:

  1:teachers

  2:6:00 a.m

  3:6:30 a.m

  4:park

  5:4:00

  6:80

  四:

  1—5:CBBDB

  6—10:CCBBD

  五:

  1—5:DACBC

  6—10:BDACB

  六:

  1—5:DDDBB

  练习四

  一:

  1:litter

  2:metal

  3:Encourage

  4:calm

  5:over

  6:shining

  二:

  1:tourists

  2:peaceful

  3:angerly

  4:importance

  5:heavier

  三:

  1:took

  2:lasts

  3:is going to be

  4:hurry

  5:don't will fall

  四:

  1:join the school trip

  2:feel sick

  3:make a home page

  4:take a underground to go to work

  五:

  1:What exciting news it is!

  2:for the first time

  3:What did the teacher tell you not to do?

  4:How often do you do a bird count a year?

  5:用because连用

  六:

  1—4:DCBD

  5—8:CABD

  七:

  1—5:DABBA

  6—10:CCDCB

  八:

  1—5:CCDBA

  练习五

  一:

  1:met

  2:to make

  3:travels

  4:paies

  5:are watching

  6:will finish

  7:droped

  二:

  1:go birdwatching

  2:make space for

  3:have nowhere to live

  4:gives me some advice

  5:at a time

  三:

  1:different from

  2:If don't

  3:made of

  4:won't any more

  5:without help

  6:rained heavily

  7:because of its colourful feathers

  8:endangered birds

  四:

  1:Jiangsu Dafeng is an idea home for Elaphurus davidianus.

  2:He will arrive at 8 this morning.

  3:l think running is not as exciting as driving.

  4:The weather in Kunming is warm and wet aii year round.

  5:We welcome visitors from around the world to Suzhou to visit.

  6:I look out of the window and saw that people being rushed to remove the snow.

  五:

  1:telephone return

  2:was wrote

  3:not to make

  4:playing

  5:taking

  6:terribly

  7:moves

  8:listens

  六:

  1:Yes.

  2:Wolves

  3:Humans

  4:These dogs often came near humans to steal some food.

  5:The dogs helped them to hunt.They could smell and hear danger before people could. They helped keep people warm on cold nights.

  练习六

  一:

  1—5:DACCA

  6—10:CACAD

  11—15:DBBAB

  16—20:BCCCB

  二:

  CGAEB

  三:

  1—5:ADBAD

  6—10:DCBBC

  四:

  1—5:BABC

  1—5:BACAD
味微甜
2013-02-09 · TA获得超过115个赞
知道答主
回答量:21
采纳率:0%
帮助的人:10.1万
展开全部
物理
习一

1沙粒在跳动。声音由物体振动产生。沙粒跳动很厉害。声音的响度与振幅有关。
2振动,音调,空气,信息,
3水可以传声,
4音调,响度,
5次声波,振动,
6声音的音调与振动频率有关,
7音色,空气,
8传播,人耳,声源,
9声音不能在真空中传播,
10dB,0dB,20dB,
11A.
12D
13C.
14B.
15C.
16A.
17C.
18A.,
19丁
甲:声音不能在真空中传播 乙:声音由物体振动产生 丙:音调与振幅有关,音调从低到高,两者都是,
第三题 想一想
1A,2蜜蜂发声不是由双翅振动,3蜜蜂发声由小黑点振动产生,增加声波反射从而减小声波的能量
练习二
液化,凝华,吸,熔化,高,升华,凝华,汽化,放,汽化,汽化放热,汽化,凝华,熔化,温室,热岛效应,加压,凝华放,汽化,液化,水汽化吸热,液化,液化,汽化,升华,凝华,BDBCBB,冰,52,吸热,冰不能太少,卫生球燃烧松枝复燃空气中的氧气有助燃烧,熔化吸热凝固放热,没有不同材料保温效果不同。

练习三

紫外线,热,热效应,平面镜,虚,光的直线传播,平面,虚,1 3,C B A,漫反射,反射,粗糙,4,变大,漫反射,各种,ABCBBBB,略,略,画图略 (3)65度,到平面镜距离,等大,不能,虚,物与像等大,用手电筒射向笔使影子在纸板上,红色 除红色以外的其他色光,红色,白色,除白色以外的其他色光,略

练习4、5
会聚,折射,乙,折射,虚,镜头,底片,凹,后,凸透镜,以内,倒立放大实,凸透,会聚,CAAAD,法线,光的折射,画图略,光的折射,凸透镜,三者中心不在同一直线,像距,物距,不能,能,紫,紫光折射角大,小,大,正确,物距,晶状体,视网膜,凸透镜对光线有会聚作用,靠近凸透镜,发散,折射,大气层空气密度不同,B,塑料膜相当于凸透镜对光线有会聚作用,使底片的感光调物距使底片感到不同颜色的光,

毫米,千米,分钟,地面,火车,车站,运动,静止,船,地面,船,山,20,72,30秒,11,46,3*10的八次,1.5*10的六次,快,匀速直线,相同时间比路程,相同路程比时间,运动,静止,参照物,大,动能,3000,声音不能在真空中传播,72,86.4,B,B,D,D,B,B,A,B,C,B,D,B,A,C,13,控制变量,停表,测量下落时间,自由落体,同时,是, 自由落体定律 ,V=S/T 4500M/15/60H=30000M/H=30KM/H,T=S/T=4500M/6KM/H=45MIN,运动,8M/S,慢,车速60KM/H限速40KM/H,相对于地面是运动的,相对于航天员航天员是静止的
已赞过 已踩过<
你对这个回答的评价是?
评论 收起
推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询

为你推荐:

下载百度知道APP,抢鲜体验
使用百度知道APP,立即抢鲜体验。你的手机镜头里或许有别人想知道的答案。
扫描二维码下载
×

类别

我们会通过消息、邮箱等方式尽快将举报结果通知您。

说明

0/200

提交
取消

辅 助

模 式