第一章 单元测试
1、
The energy scale of atom is ( ).
A: TeV
B: GeV
C: eV
D:MeV
答案: eV
2、
The density scale of atom is ( )
A:1010 g/cm3
B:1 g/cm3
C:1015 g/cm3
D:102 g/cm3
答案: 1 g/cm3
3、
Who did propose that the matter was indivisible in ancient Greece? ( )
A:Plato
B:Aristotle
C:Democracy
D:Arch