过碘酸雪夫氏反应（PAS法）是显示细胞内的（）。
A.蛋白质
B.多糖
C.核酸
D.酶
参考答案：B
My daughter, job requires her to do a lot of travelling, is always away from home.
A．which
B．that
C．whose
D．where
货运记录各栏应（）填记
