人耳能感觉到的声频范围是()。
A.<20Hz
B.20~20000UHz
C.>20000Hz
D.200~2000Hz
E.>2000Hz
参考答案:B
脾与志、液、体、华、窍的关系,说法正确的有()。
A.在志为思
B.在液为涎
C.在体合肌肉,主四肢
D.在窍为口,其华在唇
E.在志为怒
He spoke for quite a while, but I was _____________ puzzled about what he said.
A.not a little
B.not too
C.not a bit
D.too much