Mr. Roberts is a noted chemist _____.
Mr. Roberts is a noted chemist _____.
A Chemist can _the oxygen from hydrogen in water.
A Chemist can _the oxygen from hydrogen in water.
The chemist placed the bowl __________ the two test tubes.
The chemist placed the bowl __________ the two test tubes.
You can buy medicine at a chemist's.
You can buy medicine at a chemist's.
The medicine is on sale everywhere. You can get it at ________ chemist‘s.
The medicine is on sale everywhere. You can get it at ________ chemist‘s.
Could you get me something for a s____ throat from the chemist?
Could you get me something for a s____ throat from the chemist?
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
Chemical shift allows a chemist to obtain the idea of how atoms are joined together.
Chemical shift allows a chemist to obtain the idea of how atoms are joined together.
中国大学MOOC: The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
中国大学MOOC: The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England. A: 正确 B: 错误
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England. A: 正确 B: 错误
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