If there were no examinations, we should have ______ at school.A.the happiest timeB.a more
If there were no examinations, we should have ______ at school.
A.the happiest time
B.a more happier time
C.much happiest time
D.a much happier time
If there were no examinations, we should have ______ at school.
A.the happiest time
B.a more happier time
C.much happiest time
D.a much happier time
The latest project is to take a city of around half a
million inhabitants and discovers exactly what raw materials 【S1】______
go into it and what go out. The aim is to find out how much
of these raw materials could be provided whether a plant for 【S2】______
recycling waste were built just outside the city. This plant would
recycle not only metal such as steel, lead but copper, but also 【S3】______
paper and rubber as well as. 【S4】______
Another new project is being set off to discover the best 【S5】______
ways of sorting and separating the rubbish. When this project
is complete, the rubbish will be processing like this: first, it will 【S6】______
pass through sharp metal bars which will tear open the plastic
bags on which rubbish is usually packed; then it will pass through 【S7】______
a powerful fan separate the lightest elements from the heavy 【S8】______
solids; after that grounders and rollers break up everything what 【S9】______
can be broken. Finally the rubbish will pass under magnets,
which will remove the bits of iron and steel; the rubber and
plastic will then sorted out in the final stage. 【S10】______
The first full scale giant recycling plants are, perhaps, fifteen
years away. Indeed, with the growing cost of transporting rubbish
to more distance dumps, some big cities will be forced to build
their own recycling plants before long.
【S1】
Some would consider that an infringement of good manners whereas others would not.
A.an example
B.a violation
C.a problem
D.an indication
A.Poor but brave.
B.Friendly and talkative.
C.A teacher liked by all her pupils.
D.An example her children should follow.
Every product______before it is sold.
A.needs to examine
B.needs to have examined
C.wants examining
D.wants to exam
有一典型金属导体,电导率σ=5×107S/m,ε=ε0。,电流密度为J=106sin[117.1(3.22t-z)]exA/m2,求位移电流密度。
From the tone of the passage we know that the author ______.
A.is curious about how old exactly is "old" for every people
B.is doubtful on any division made between "old" and "young"
C.is for the opinion that age and health are closely connected
D.is against the idea that age is connected with the state of mind
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