可引起局限性肝肿大的是（）
A.脂肪肝
B.肝脓肿
C.肝囊肿
D.肝肿瘤
E.白血病
参考答案：B, C, D
已知2MOyx－+5S2－+16H+=2M2++5S↓+8H2O，则MOyx－中的M的化合价为 ( )
A．+3
B．+4
C．+6
D．+7
She didn’t have enough money a present for her husband.
A．with which to buy
B．with that she bought
C．which she could buy
D．with buying
