liquid expand contract substance mixture oxygen electricity stage conclusion aim.
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Transcript of liquid expand contract substance mixture oxygen electricity stage conclusion aim.
liquid
expand
contract
substance
mixture
oxygen
electricity
stage
conclusion
aim
reaction
electrical
equipment
react
potassium
sodium
calcium
magnesium
aluminium
zink
partial
copper
oxide
rust
boil
ordinary
steam
float
form
dissolve
balance
crucible
tongs
flame
facility
lecture
department
astonished
得出结论
瞄准
沸腾的水
许多设备
作为固体存在
加热金属
draw a conclusion
aim at sth.
boiling water many facilitiesmuch equipment
exist as a solid
heat a metal
-的一种混合物
电力设备
与--起反应
按顺序进行排列
在顶部
在底部
a mixture of
electrical equipment
react with
put sth. in order
at the top
at the bottom
从-中学习
往--里加--
过去常常
最新的设备
一学期四次
在--的领域
learn from
add… to…
used to do sth.
the latest equipment
four times a term
in the area of
作出真正的发现
一流的科学家
在过去的 20 年里
为-感到骄傲
应当;理应
或者-或者
make real discoveries
first– class scientist
in the last 20 years
be proud of
be supposed to
either … or
According to the text, fill in the blanks.
Different metals have different___. When
we use metals,it is __ to know they___with
different ___. The reaction of metals with these substances can be put in ___. From the ___,we can find potassium reacts___ with oxygen and water while ___doesn’t react with water. When we ___calcium in oxygen, it burns to ___an oxide.
usesimportant
how
react
substances
order
table mostcopper
heatform
∨
as
1. adv. 同样,一样 Tom runs fast, but I run just as fast.
2. conj.
① 当---时 I read the letter as I walked along the river.
② 由于;鉴于As he wasn’t ready in time, we went without him.
③ 像--一样She doesn’t sing as (so) well as her sister.
④ 按照;如同I have changed it as you suggested.
Do as I do.⑤ 虽然,尽管Tired as they were, they walked on.3. prep. 作为;如同He worked as a teacher.Why is he dressed as a woman.
4. pron. Such … as \ the same …as
I never heard such stories as he told.
My hometown is no longer the same as it was. as is well known
as for 至于;就--而言
As for me, I have nothing to complain of.
as if = as thoughI remember the whole thing, as if it
happened yesterday
Correct the mistakes:
1.The income of his family is two times that of hers.
2. Life today is much better than it in the past.
3. Electrical lamps are now used to give us light at night.
4.Our react to a joke is to laugh.
____________
twice
\ that
__________
electric
_____ reaction
5.A lot of equipment have been brought in from Japan.
6. The building to be built last year is a hospital.
7. I thought my past days when I saw the old photos.
8.I’d like to buy the same bicycle that you have.
9.It’s sure the earth is round.
\
has
\ \
ˇ of
\ as
\certain
10.There used to have a lot of wild animals
living here.
11.It’s six o’clock now. He is suppose to be at home.
12.Does Mr. Smith get used to live in the countryside.
13.In the past few years, a lot of new buildings had been built.
_____
be
_________
supposed
____living
____have
Choose the best answers.
1.------Are you feeling ___?
------yes, I’m fine now.
A. any well B. any better
C. quite good D. quite better
B
2.___ is a good habit to put everything ___
order after an experiment.
A. This ;in B. It; in C. That; with D. It;with
B
3.Gold is ___most valuable of all metals.
A. the much B. very C. far D. by the far4.This car is ___cheaper than the one they bought last year.
A. more B. less C. no D. very
D
C
4.How wonderful she sings! I have never heard____.
A.the better voice B. a good voice
C. the best voice D. a better voice5.___the temperature is, ___water turns
into steam.
A.The higher; the fast B. Higher; faster
C. The more higher; the faster
D. The higher; the faster
D
D
6.As time went on, he became___.
A. more impatient and more impatient
B. more and more impatient
C. more and more impatiently
D. impatienter and impatienter7. Canada is larger than___ country in Asia.
A. Any B. any other C. other D. another
B
A