A.By recycling all the water.B.By using very little.C.By transporting plenty from Eart
A.By recycling all the water.
B.By using very little.
C.By transporting plenty from Earth.
D.By controlling the humidity on board.
A.By recycling all the water.
B.By using very little.
C.By transporting plenty from Earth.
D.By controlling the humidity on board.
According to the speaker, why do most recycling program fail?
A.Because all the trash cans are the same color.
B.Because not enough people volunteer to collect the trash.
C.Because most people don' t like to sort their trash.
D.Because collections are not made on a regular basis.
A、recycling is no use at all
B、reusing shouldn’t be encouraged
C、reduction of wastes is the top priority
D、three Rs are of equal importance
Jack had a terrible accident yesterday, but ______ he wasn't killed.
A.by all means
B.on the whole
C.in consequence
D.at all events
According to the speaker, why do most recycling program fail?
A.Because all the trash cans are the same color.
B.Because not enough people volunteer to collect the trash.
C.Because most people don't like to sort their trash.
D.Because collections are not made on a regular basis.
How could we prove that the drugs have wiped out the remaining viruses?
A.By using up all the drugs at once.
B.By waiting for the virus to die slowly.
C.By asking the patients' feeling about the disease.
D.By stopping the drags to see if the virus comes back.
How could we prove that the drags have wiped out the remaining viruses?
A.By using up all the drugs at once.
B.By waiting for the virus to die slowly.
C.By asking the patients' feeling about the disease.
D.By stopping the drugs to see if the virus comes back.
We all write______, even when there's not much to say.
A.by and by
B.step by step
C.now and then
D.more or less
—May I use your computer printer? —______.
A.By all means
B.Never mind
C.You are welcome
D.Don't mention it
He bought a photocopier ______.
A.by accident
B.because he couldn't find a place to make a photocopy
C.because there was no place nearby to provide the photocopy service
D.because all sorts of people need it
What's the main purpose of this talk?
A.To explain why recycling important.
B.To describe the recycling program.
C.To discuss whether or not recycling should be mandatory (命令性的).
D.To explain how to find the recycling facilities.
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