九年级轻松快乐过寒假答案.docx
《九年级轻松快乐过寒假答案.docx》由会员分享，可在线阅读，更多相关《九年级轻松快乐过寒假答案.docx（20页珍藏版）》请在冰豆网上搜索。
九年级轻松快乐过寒假答案
九年级轻松快乐过寒假答案
物理练习1
在力的方向上移动的距离
静止
F1*L1=F2*L2
J50
做功快慢
单位时间内做功的多少
P=W/t
4000
动滑轮
定滑轮
滑轮组
BB省
A500
变小
不变
CCAAB
66.7%
74.1%
在动滑轮重不变的情况下，物体越重，机械效率越高
G总=Fn=15*2=30N
G=G总-G动=30-5=25N
η=G/G总*100%=25/30*100%≈83.3%
过程好烦啊不写了
360N
36W
练习二
水的比热容大
对外做功
做功
机械
内
速度
物体被举高高度
动能
动
重力势
2.1*10^6
减少
做功
转动
3：
2
2：
3
100
热值高
燃烧无污染
水蒸气
活塞
降低
减小
内
机械能
CCACC
14略
1.26*10^5J
1400J/S
7L
1.008*10^7J
6*10^7J
16.8%
煤不完全燃烧放出的热量没有被水完全吸收
练习三
串联
并联
串联
并联
并
串联
并
L2,L3
串
L1,L2
并
2.5V
1.5V
短
L1
短路
b
3V
1.5V
BBBBB
14，15略
练习四
小于
增大
20欧
20欧
16欧
5
60
温度
2.7
英语练习一
worryabout
bedividedinto
worrytoomuch
keepsecrets
farguewithsb.
forgivesb.forsth.
showoff
giveupeasily
takecareof
payattentionto
differentkindsofideas
devotetocharity
modestgenerous
unluckyshy
hard-workinginpatient
impossibleunfair
inactivefull
dishonestincorrect
weakstupid
tosave
notmeeting
toeat
explaining
putting
butterfiles
planning
unfair
leader
energetic
Whatishelike
WhatdoesSamoftendreamabout
Whichwomenisournewteacher
Theweredividedinto4groupsbyMrzhang
HisyoungsisteristakencareofbyPeter
Yourstarsignisdividedbyyourbirthday
Hismotherissokindthatshihelpsothers
ThereisnothingwrongwithJim'smind
Heiscleverenoughtosolvetheproblem
Canyoutellmehowtogettothenearestshop
AAABBADBADAC
CBCDADABCD
CACCCAB
作文略
英语练习二
prefer
wouldrather
wouldrather
prefer
wouldrather
wouldrather
prefer
prefer
prefer
nothing
noting
everybody
nobody
anything
nothing
none
anyone
everyone
something
everybody
BABDACBCBB
IpreferwatchingTVtogotohaveawalkwithyou
It'sinterestingtochatwithothers
Ifyoufellsadorscared,trytowearinyellow
Shepaintedthewallblueandhopeitwillbringyousuccess
Ithinkitwillrain
BCBCADBADB
CDCBBC
作文略
英语练习三
from
at
about
whti
to
on
about
in
feelstressed
atthemoment
beveryvaluable
ontime
handin
giveupdoingsth.
plentyof
hearfromsb.
apieceofadvice
forgettodosth.
gooutlate
beintrouble
though
attention
confidence
talented
prouds
replied
miss
spare
onworries
shout
stressed
causing
weight
balance
covers
getting
hascome
tofollow
walk
todeal
listening
tohelp
clean
drawing
tocatch
totell
fell
smoking
don't
tobuy
discussing
hasn'tfinished
tomeet
towrite
sitting
tostay
tosave
CACBAADDDAA
BCDCCBDCAA
CADCDD
作文略
英语练习四
reported
especially
series
months
interview
director
prize
cartoon
movie
announced
website
space
DADBBACADD
talking
think
lasted
quicker
muchhomeworktodothatihavenotimetowatchTV
Whythesetigersarebeingkilled
anumberof
beautifully==>beatuflyu
hardly==>hard
back==>去掉
all==>both
are==>去掉
boring==>bored
any==>后面加other
more==>much
very==>去掉
in==>of
of==>in
BCADABACBC
BCAAACDACB
英语练习五
acting
tobe
loss
tobecome
successful
beauty
beginning
waschosen
final
achievement
notonlybutalsootherparts
moundedlossof
beautycharmattractedattention
duringherlifetimeearnedfourmorenominations
achievementswentbeyongindustry
considernotjustashumanitarian
putmostto
laterreceivedinterestinggift
explainofclass
sureifyouareright
ami==>换成iam
was==>后面加to
to==>for
finally==>final
to==>去掉
to==>去掉
into==>去掉
include==>including
devoted
willtake
waswatching
marksmarks
totake
dream
wastaken
look
willfind
werewatering
bring
DBBCCADC
BDDCBADCCC
CCABDDAACB
英语练习六
energetic
represents
easily
thousand
quarrelling
advice
ours
shares
attacked
bored
Theiceisthickenoughtoskateon
Redcanhelpyoueasilymakeadecisionwhenyouhavedifficulty
Idon'tknowhowtocheeryouup
Sheisnotonlyprettybutalsopolite
Thismorningteachersaskedmewhyiwaslate
DBCADBBADACACB
DCABACCACDBDCADDCBCA
作文略
练习一
2.（横着）
亵渎
桑梓
腻烦
喑哑
恣睢
阔绰
腹水
羸弱
籍贯
缄默
鞭挞
地窖
3（横着）
zhān改为diàn
wāi改为jí
chēng改为chēn
zuó改为zhuó
4.（横着）（"--"表示“改为”）
声--生
接--截
挡--当
烂--滥
常--长
证--征
雀--鹊
汇--会
抱--暴
把那个绞丝旁一个出（不懂什么字0--）--拙
斜--邪
粼--鳞
齐--其
利--厉
合--和
茶--荼
手--首
厉--励
题--提
败--拜
5.A
6.C
7.A
8.
①可见,如果一个人能"知耻"善改,不仅不会被别人鄙视,反而更会得到人们的尊重和信赖.
②反之,有错不改或坚持错误,那才会真正降低自己的威信.
9.略（造句~自己做吧）
10.国务院发布中国自然灾害和救灾工作等举行发布会
练习二:
（P.3~P.5）
1.D
2.C
3.B
4.C
5.C
6.
1.可以攻玉
2.鸢飞戾天者;经纶世务者
3.在河之洲;君子好逑
4.醉翁之意不在酒,在乎山水之间也
5.长风破浪会有时,直挂云帆济沧海
6.无可奈何花落去,似曾相识燕归来
7.千数万树梨花开
8.为伊消得人憔悴
7
1.禅房花木深
2.
升级会员 