正常红细胞糖原染色（PAS）可呈（）
A.阴性
B.弱阳性
C.阳性
D.强阳性
E.以上都不是
参考答案：A
A truly rich man is a person _______ children run into his arms when his hands are empty.
A．whose
B．that
C．whom
D．who
同步发电机与系统并列时应满足哪些条件？
