《轻松快乐过寒假》江苏人民出版社

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《轻松快乐过寒假》江苏人民出版社
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《轻松快乐过寒假》江苏人民出版社
《轻松快乐过寒假》江苏人民出版社

《轻松快乐过寒假》江苏人民出版社
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
练一:
一:沙粒跳动,物体靠振动发声,沙粒跳动变大,振幅越大响度越大,振动,音调,空气,能量,水可以传声,音调,响度,次声波,振动,音调与生源振动的频率有关,音色,空气,传播途,人耳,生源,真空中不能传声,响度,dB,空,A,D,C,A,C,A,B,A乙,丁,甲说明真空中不能传声
二:瓶内空气柱振动产生的,空气柱越短,音调乐越高
是水使瓶内空气柱振动产生的
三:A
蜜蜂不靠翅膀振动发声
蜜蜂发声时黑点上下振动
练习2
液化 凝华
吸 熔化
高 升华 凝华
凝固 放 汽化
蒸发吸热
凝固 凝华 熔化
温室 热岛效应
压缩体积
凝华 放
蒸发 液化
蒸发吸热
液化 液化 升华 升华,凝华 凝华
ADCABD
冰 52 吸热
练习3
光 ,热 ,温度,
平面镜成像,光的直线传播
平面,虚
①③ ②⑤
CBA
漫反射 反射 光滑
4 不变
漫反射 所有
ABCBBBB
67.5度
位置 大小 不能 虚 平面镜成正立等大虚像
练习4
会聚,折射,乙,折射,虚,照相机,底片与镜头之间的距离
凹 后 ,放大,以内,虚,凸透,会聚
CADAA
底角方向偏折,会聚,凸透镜对光有会聚作用,发散,凹透镜对光有发散作用
凸透镜,三个中心不在同一高度,物距,相距,能,能
红 红光的偏折角度小
小 小 正 物距 晶状体 视网膜 ,远视眼是有于像成在视网膜前方形成的
靠近凸透镜 会聚,折射,光的折射形成的,B
练习5
mm,km,min
站台,车位,自己,运动,座位,自己,运动,静止,船,山,船,山
20,72,30S,11,46,3*10

成v党政

http://tieba.baidu.com/p/1359596161
这里蛮全的,给分给分给分

为了这寒假作业。我蛋都碎了一地啊。。