古典利率理论的代表人物有()。
A、庞巴维克;
B、费雪;
C、马歇尔;
D、凯恩斯。
参考答案:A, B, C
The reason why I didn’t go to France was __________ a new job.
A.because I got
B.because of getting
C.I got
D.that I got
国际通用的耳聋分级标准以哪些赫兹的平均听阈为准()
A.250Hz
B.500Hz
C.1000Hz
D.2000Hz
E.4000Hz