嘉靖二十九年,鞑靼部俺答汗率兵绕过大同,直下通州,进逼北京,大肆抄略,史称( )。
A.河阴之变
B.南坡之变
C.庚子之变
D.庚戌之变
参考答案:D
男性,30岁。上腹部剧痛5天,疑为胰腺炎,虽经治疗症状无明显好转。下列哪项实验室检查对判断胰腺炎的预后最有价值()。
A.血清淀粉酶
B.尿淀粉酶
C.血清脂肪酶
D.血清钙
E.淀粉酶、肌酐清除率比值
Tom was at a loss as to how a car worked, so it was ______ that he knew nothing about how to repair cars.
A.apparent
B.absurd
C.confused
D.complicated