下列各项,可引起血压升高的是()
A.肾上腺皮质功能减退
B.心包填塞
C.缩窄性心包炎
D.肾上腺髓质肿瘤
E.急性心肌梗死
参考答案:D
医用一次性纸袋包装的无菌物品的有效期为()
A.一天
B.一周
C.一个月
D.三个月
E.半年
—Mum, have you seen my mobile phone?
—_______ you bought last week? I'm sorry I haven't seen _______. [ ]
A. One; it
B. One; one
C. The one; it
D. The one; one