题目内容
（请给出正确答案）
The drinking water is contaminated with impurities.
A.blackened
B.polluted
C.darkened
D.mixed
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更多“The drinking water is contamin…”相关的问题
The drinking water was polluted by the toxins that had seeped into soils and groundwater.
A．Y
B．N
C．NG
W: By saving water,
M: Well, how can we do that？
W: By not using too much water when we wash dishes, take a bath, and when we do other things like watering the plants outside.
M: Oh, what else？
W: When drinking or eating something outside, you should keep the garbage until you rind a garbage can to put it in. Because throwing rubbish carelessly makes our planet dirty, Do you like seeing rubbish all over the ground？
M: No, I don't. Do you have any other suggestions？
W: Yes, we shouldn't waste paper, because trees are being cut down to make paper. By saving paper, we save the forests where animals live.
M: So how can children save paper？ I mean everyday.
W: Well, for example, when I was in kindergarten, I used to save newspapers so that I could fold things out of them like paper trees instead of just throwing them away. Now the children in our neighborhood collect newspapers once a month to take them to a factory as raw material.
M: That's great. Well, thanks Catherine for your ideas.
In which of the following situations does the girl try to save water？
A．When she is taking a bath.
B．When she is cleaning a car.
C．When she is washing clothes.
D．When she is working in plants.
The drinking water has became contaminated with lead
A.treated
B.tested
C.corrupted
D.polluted
According to many sources, the safest drinking water is from a piped supply.
A．many resources
B．a great deal of information
C．many sausages
D．a great deal of salvage
The drinking water has become contaminated with lead.
A.polluted
B.treated
C.tested
D.corrupted
The report showed four out of 10 cities ______had poor drinking water standards.
A．looked
B．surveyed
C．prepared
D．measured
Now it is important that our drinking water ______ purified.
A．should be
B．is
C．will be
D．was
You'd better ______the water until it has been boiled.
A．not drunk
B．not drinking
C．not to drink
D．not drink
