化
练习一
一、BCCBCDAA
二、BADAAACD
药匙 10ML量筒试管夹
质软密度小于水银白色金属熔点低
能与水发生剧烈的反应
石棉网坩埚钳
防止反应生成的高温物体烫坏桌子
剧烈燃烧发出耀眼白光
烧杯破裂
试管破裂
酒精挥发完
标签被腐蚀掉
略
三、用湿抹布盖灭用水湿润
练习二
一、DBBBABCB
二、密度大于空气有助燃*
酒精灯，试管铁架台集气瓶
横放小药匙纸槽底部
受热均匀其中有空气使收集到的氧气不纯当导管口均匀不断的向外冒气泡的时
候
正无色
将导管从水槽中拿出来熄灭酒精灯
过滤吸附肥皂水
煮沸
紫色石蕊变红 CO2与H2O生成一种酸性物质 CO2+H2O=H2CO3
下面的先熄灭 CO2密度大于空气
略
三、打开关闭关闭关闭打开变浑浊对比验证
练习三
一、AABBDBBABBAADBCA
二、2O 2Ne nN2 mFe Fe2+ Mg(+2)(OH)2
4SO2-
原子分子离子核内质子数核外最外层电子数
BCDEA AB B CDE BCDE A
BCAD
酚酞变红分子在不停运动试管反映容器
练习四
一、CBDDBDBBAC
二、石油天然气煤不可再生混合物可燃物温度达到着火点有氧气
关闭阀门切断电源用盖子改灭 co2不可然不助燃
可燃，不助燃略
练习五
一、BDDBADCCADDB
二、 >
晶体析出的过程蒸发结晶法降温结晶法蒸发结晶法影响小降温结晶法影响大蒸发结晶法降温结晶法
7% 6g
盖子没倒置 5 换小砝码 50ML 42.5 加速溶解 1，2 略
练习六
一、ADADCABADDDC
二、CO2+Ca(OH)2=CaCO3+H2O
4Al+2O2=2Al2O3 以下略
食醋盐酸水壶被腐蚀，水壶的壁便薄缩短寿命
FeO Fe3O4 Fe2O3 略（16 17）水稀释了车中的硫酸，使其与FE反映生成大量的氢气 Fe+H2SO4=FeSO4+H2
> > > ＜ 略
练习七
一、Al He Fe2+ H2SO4
2 +2 12
丙乙甲
= >
CO CH4 H2
略
分子在不停运动
加压可以使气体液化
火灾生吃
降低水的凝固点使其熔化
Fe+CuSO4=FeSO4+Cu
表面生成了一层致密的氧化膜
英
练习一
worry about
be divided into
worry too much about
keep secrets
quarrel with sb
forgive sb. doing sth.
show off
give up easily
take care of
pay attention to
different kinds of ideas
devote to charity
二．
modest generous
unlucky shy
hard-working inpatient
impossible unfair
inactive full
dishonest incorrect
weak stupid
三.
to save
not meeting
to eat
explaining
putting
butterflies
planning
unfair
leader
energetic
三．
What is he like？
What does Sam often dream about？
Which women is your new teacher？
They were divided into 4 groups by Mr zhang.
His young sister is taken good care of by Peter.
Your star sign is decided by your birthday .
His mother is very kind to help others.
There is nothing wrong with Jim's mind.
He is clever enough to solve the problem.
Can you tell me how to get to the nearest shop?
五．
ADDAB CDBAD AC
六．
CDCDA DABCD
七．
CAC CCBD
八．
作文略 练习二
一．
prefer
would rather
would rather
prefer
would rather
would rather
prefer
would rather
prefer
二．
1. nothing
2. noting
3. everybody
4. Nobody
5. anything
nothing
6. anyone
7. Anyone
8. everyone
9. something
10. everybody
三．
BABDA CBCBB
四．
1. I prefer watching TV to going out to have a walk with you.
2. It's a great fun to chat with others.
3. If you fell sad or scared, try to wear in yellow.
4. She painted the wall light blue and hope it will bring you success.
5. I think it is going to rain tonight.
五．
BCBCA DBCDB
六．
CDC BDA
七．
作文略
练习三
一．
from
at
about
with
to
on
about
in
二．
feel stressed
have no choice but to do sth.
be very valuable
on time
hand in
give up doing sth.
plenty of
hear from sb.
a piece of advice
forget to do sth.
go out till late night
be in trouble
三．
Though
attention
confidence
talented
pleasure
replied
miss
spare
四．
on
worries
shout
stressed
causing
weight
balance
covers
五．
1. getting
is coming
2. follow
3. walk
4. to deal
5. listening
6. to help
to clean
7. drawing
8. to catch
9. To tell
10. feel
11. smoking
12. Don't
13. to buy
14. to discuss
15. hasn't finished
16. to meet
17. to write
18. sitting
19. to stay
20. to save
六．
CACDA ACBDA D
七．
BCCAB BDCCA
八．
CBD CDD
九．
作
练习四
一．
reported
especially
series
months
interviewing
director
prizes
cartoon
movie
announced
website
space
二．
DADBB ACADD
三．
1、talking
2、think
lasted
3、fairly
4、much homework to do that I have no time to watch TV
5、Why are these tigers being killed ？
6、a
of
四．
1、beautifully==>beautiful
2、hardly==>hard
3、back==>去掉back
4、all==> both
5、people are talking ==>去掉are
6、boring==>bored
9、than you ==> 那个you 改为yours
8、any==>后面加 other
9、more==>much
10、very==>改为much
11、in ==>of
12、of==>in
五.
BCADA BACBC
六．
BC ADAD DACB
练习五
一
1、actor
2、Shortly
3、becoming
successful
4、beauty
5、beginning
6、was chosen
7、needy
8、lying
二．
1、not only
but also
other parts
2、mounded
lose of
3、beauty
charm
attracted attention
4、During her lifetime
earned four more nominations
5、achievements
went beyond
industry
6、consider
not just as
humanitarian
7、puts
most
to
8、later
received
interesting gift
9、explain
of class
10、sure if you are right
三．
1、am I ==>改为 I am
2、was become ==>改为 was to become
3、to==>of
4、finally==>final
5、not to go ==>去掉 to
6、rather to be==>去掉 to
7、enter into the==>去掉 into
8、include==>including
四．
1、has devoted
2、will take
3、was watching
4、dream
5、was taken
6、look
will see
7、were watering
8、bring
五．
CBBCB ADC
六．
CDDDB ADCDC
七．
CCA CAD AACB
练习六
一．
energetic
represents
easily
thousand
quarrelling
advice
ours
shares
attacked
bored
二．
1、The ice is thick enough to skate on.
2、Red can help you easily make a decision when you have difficulty.
3、I don't know how to cheer you up.
4、She is not only pretty but also polite.
5、This morning, teachers asked me why I was late.
三．
DBCAD BBADA CACB
四．
DCABA CCACD
五．
BDCAD DCBCA
六．
作文略
化
练习一
一、BCCBCDAA
二、BADAAACD
药匙 10ML量筒试管夹
质软密度小于水银白色金属熔点低
能与水发生剧烈的反应
石棉网坩埚钳
防止反应生成的高温物体烫坏桌子
剧烈燃烧发出耀眼白光
烧杯破裂
试管破裂
酒精挥发完
标签被腐蚀掉
略
三、用湿抹布盖灭用水湿润
练习二
一、DBBBABCB
二、密度大于空气有助燃*
酒精灯，试管铁架台集气瓶
横放小药匙纸槽底部
受热均匀其中有空气使收集到的氧气不纯当导管口均匀不断的向外冒气泡的时
候
正无色
将导管从水槽中拿出来熄灭酒精灯
过滤吸附肥皂水
煮沸
紫色石蕊变红 CO2与H2O生成一种酸性物质 CO2+H2O=H2CO3
下面的先熄灭 CO2密度大于空气
略
三、打开关闭关闭关闭打开变浑浊对比验证
练习三
一、AABBDBBABBAADBCA
二、2O 2Ne nN2 mFe Fe2+ Mg(+2)(OH)2
4SO2-
原子分子离子核内质子数核外最外层电子数
BCDEA AB B CDE BCDE A
BCAD
酚酞变红分子在不停运动试管反映容器
练习四
一、CBDDBDBBAC
二、石油天然气煤不可再生混合物可燃物温度达到着火点有氧气
关闭阀门切断电源用盖子改灭 co2不可然不助燃
可燃，不助燃略
练习五
一、BDDBADCCADDB
二、 >
晶体析出的过程蒸发结晶法降温结晶法蒸发结晶法影响小降温结晶法影响大蒸发结晶法降温结晶法
7% 6g
盖子没倒置 5 换小砝码 50ML 42.5 加速溶解 1，2 略
练习六
一、ADADCABADDDC
二、CO2+Ca(OH)2=CaCO3+H2O
4Al+2O2=2Al2O3 以下略
食醋盐酸水壶被腐蚀，水壶的壁便薄缩短寿命
FeO Fe3O4 Fe2O3 略（16 17）水稀释了车中的硫酸，使其与FE反映生成大量的氢气 Fe+H2SO4=FeSO4+H2
> > > ＜ 略
练习七
一、Al He Fe2+ H2SO4
2 +2 12
丙乙甲
= >
CO CH4 H2
略
分子在不停运动
加压可以使气体液化
火灾生吃
降低水的凝固点使其熔化
Fe+CuSO4=FeSO4+Cu
表面生成了一层致密的氧化膜
英
练习一
worry about
be divided into
worry too much about
keep secrets
quarrel with sb
forgive sb. doing sth.
show off
give up easily
take care of
pay attention to
different kinds of ideas
devote to charity
二．
modest generous
unlucky shy
hard-working inpatient
impossible unfair
inactive full
dishonest incorrect
weak stupid
三.
to save
not meeting
to eat
explaining
putting
butterflies
planning
unfair
leader
energetic
三．
What is he like？
What does Sam often dream about？
Which women is your new teacher？
They were divided into 4 groups by Mr zhang.
His young sister is taken good care of by Peter.
Your star sign is decided by your birthday .
His mother is very kind to help others.
There is nothing wrong with Jim's mind.
He is clever enough to solve the problem.
Can you tell me how to get to the nearest shop?
五．
ADDAB CDBAD AC
六．
CDCDA DABCD
七．
CAC CCBD
八．
作文略 练习二
一．
prefer
would rather
would rather
prefer
would rather
would rather
prefer
would rather
prefer
二．
1. nothing
2. noting
3. everybody
4. Nobody
5. anything
nothing
6. anyone
7. Anyone
8. everyone
9. something
10. everybody
三．
BABDA CBCBB
四．
1. I prefer watching TV to going out to have a walk with you.
2. It's a great fun to chat with others.
3. If you fell sad or scared, try to wear in yellow.
4. She painted the wall light blue and hope it will bring you success.
5. I think it is going to rain tonight.
五．
BCBCA DBCDB
六．
CDC BDA
七．
作文略
练习三
一．
from
at
about
with
to
on
about
in
二．
feel stressed
have no choice but to do sth.
be very valuable
on time
hand in
give up doing sth.
plenty of
hear from sb.
a piece of advice
forget to do sth.
go out till late night
be in trouble
三．
Though
attention
confidence
talented
pleasure
replied
miss
spare
四．
on
worries
shout
stressed
causing
weight
balance
covers
五．
1. getting
is coming
2. follow
3. walk
4. to deal
5. listening
6. to help
to clean
7. drawing
8. to catch
9. To tell
10. feel
11. smoking
12. Don't
13. to buy
14. to discuss
15. hasn't finished
16. to meet
17. to write
18. sitting
19. to stay
20. to save
六．
CACDA ACBDA D
七．
BCCAB BDCCA
八．
CBD CDD
九．
作
练习四
一．
reported
especially
series
months
interviewing
director
prizes
cartoon
movie
announced
website
space
二．
DADBB ACADD
三．
1、talking
2、think
lasted
3、fairly
4、much homework to do that I have no time to watch TV
5、Why are these tigers being killed ？
6、a
of
四．
1、beautifully==>beautiful
2、hardly==>hard
3、back==>去掉back
4、all==> both
5、people are talking ==>去掉are
6、boring==>bored
9、than you ==> 那个you 改为yours
8、any==>后面加 other
9、more==>much
10、very==>改为much
11、in ==>of
12、of==>in
五.
BCADA BACBC
六．
BC ADAD DACB
练习五
一
1、actor
2、Shortly
3、becoming
successful
4、beauty
5、beginning
6、was chosen
7、needy
8、lying
二．
1、not only
but also
other parts
2、mounded
lose of
3、beauty
charm
attracted attention
4、During her lifetime
earned four more nominations
5、achievements
went beyond
industry
6、consider
not just as
humanitarian
7、puts
most
to
8、later
received
interesting gift
9、explain
of class
10、sure if you are right
三．
1、am I ==>改为 I am
2、was become ==>改为 was to become
3、to==>of
4、finally==>final
5、not to go ==>去掉 to
6、rather to be==>去掉 to
7、enter into the==>去掉 into
8、include==>including
四．
1、has devoted
2、will take
3、was watching
4、dream
5、was taken
6、look
will see
7、were watering
8、bring
五．
CBBCB ADC
六．
CDDDB ADCDC
七．
CCA CAD AACB
练习六
一．
energetic
represents
easily
thousand
quarrelling
advice
ours
shares
attacked
bored
二．
1、The ice is thick enough to skate on.
2、Red can help you easily make a decision when you have difficulty.
3、I don't know how to cheer you up.
4、She is not only pretty but also polite.
5、This morning, teachers asked me why I was late.
三．
DBCAD BBADA CACB
四．
DCABA CCACD
五．
BDCAD DCBCA
六．
作文略