指出下列物理常数缩写的名称:折光率().
A.m.p
B.b.p
C.
D.ε
E.
参考答案:E
解析:
常用物理常数的缩写。熔点(m.p),沸点(b.p),摩尔吸收系数(ε)。
The country life he was accustomed to ______ a lot since 1998. [ ]
A. change
B. has changed
C. changing
D. had changed
汉语字典的编排方式主要是什么?