急性心肌梗死酶学检查特异性最高的是（）
A.谷草转氨酶
B.碱性磷酸酶
C.乳酸脱氢酶
D.肌酸磷酸激酶的同工酶
E.谷丙转氨酶
参考答案：D
肿瘤的三位数类目表是（）
A.COO-C99
B.COO-D99
C.DOO-D99
D.COO-D48
E.COO-C48
Can I have a look at your letter, please?（）
A.Excuse me, you can't
B.I'm afraid you can't
C.I can't agree with you
D.Yes, thank you
