chemical
标签“chemical”文章列表
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- there are a large number of chemical factories, the air is likely to be polluted
- of minerals, which are chemical elements or compounds of varying purity .A.The c
- This chemical works .A.is rebuildingB.is being rebuiltC.are being rebuiltD.is be
- The government managed to have two chemical factories built, though by the citiz
- customers, the Hong Kong company said the amount of the chemical in the shampoo
- A study in the USA in 1977 showed that the chemical ASA in aspirin could prevent
- touchA.chapterB.machineC.schoolD. chemical
- CO2 differs both physical and chemical qualities CO．A.from; inB.in; fromC.from;
- Be careful! Don’t leave the chemical material in places within the of the little
- The house now is the chemical lab．A.to be builtB.being builtC.has been builtD.ha
- Those of us who work in that chemical plant should have lungs X-rayed.A.theirB.o
- Many rivers are with chemical waste from factories．A.pollutingB.destroyingC.dest
- We have two in our town and a new chemical is to open soon．A.ironworks,worksB.ir
- Animals have died coming into contact with this chemical．A.as a consequence ofB.
- A new hospital will be set up was a chemical works five years ago．A.whereB.in wh
- Through a number of experiments, Marie Curie found a new chemical -Radium(镭), wh
- The scientists are urging that the chemical ．A.is bannedB.should banC.be bannedD
- Not until World War II to use new chemical techniques to purify penicillin.A.the
- People drank a kind of tea from leaves a special chemical to reduce body pains a
- In fact fuels we burn and plant food we eat their chemical energy in the form of
- Vitamin D helps our bodies make a special chemical,and this special chemical, ,a
- Given that many people's moods are regulated by the chemical action of chocolate
- Following recent reports about a ripener used in several provinces, experts said
- 短文改错. My friend Paul will never forget his chemical teacher. He was a little man
- Vitamin D helps our bodies make a special chemical, and this special chemical, ,
