血清和尿溶菌酶活性增高见于（）
A.M2型白血病
B.M3型白血病
C.M4型白血病
D.M5型白血病
E.M6型白血病
参考答案：C, D
Her dream _____ China has come true at last with the help of her grandfather. [ ]
A. to visit
B. in visiting
C. visiting
D. of visiting
“出境货物报检单”中的“发货人”栏应填写外贸合同中的买方或信用证开证人。( )
