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【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
extremes
B.
extracts
C.
terminals
D.
radicals
【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
thus
B.
however
C.
so
D.
but
【多选题】对于某饱和溶液，其质量百分比浓度及溶解度的表达式正确的是（）。
A.
饱和溶液的质量百分比浓度=溶解度/（100+溶解度）×100%
B.
饱和溶液的质量百分比浓度=饱和溶液中溶质质量/饱和溶液的质量×100%
C.
溶解度/（100+溶解度）=饱和溶液中溶质质量/饱和溶液的质量×100%
D.
饱和溶液的质量百分比浓度=溶解度