在古代埃及,法老们为了延续权力甚至可以光明正大的跟兄妹联姻、父女联姻。
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Whichsubstancecanbedefinedasfluids?
A. water
B. oil
C. air
D. alloftheabove
Molecules in crystal liquids can not only maintain their orientation but move around to different positions.
A. 对
B. 错
这一分球，你认为谁赢了？
A. 刘诗雯
B. 木子
C. 不算，重发
D. 无
As liquid crystals are very sensitive to temperature, they can be used to make thermometers.
A. 对
B. 错
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