高热、头痛、呕吐,全身皮肤散在瘀点,颈项强直,最可能的诊断是( )
A.结核性脑膜炎
B.流行性脑脊髓膜炎
C.流行性乙型脑炎
D.伤寒
E.中毒性细菌性痢疾
参考答案:B
填入适当的词,补全对话,每空一词。
A: 1_______ that?
B: That's Sam.
A: 2_______ you know him?
B: Yes, he's my good friend.
A: Why 3_______ you like him? 4_______ looks so strange.
B: 5_______ he's funny. He can always make me laugh.
A: 6_______ is he 7_______?
B: He's more outgoing and friendly 8_______ others.
A: But I don't like a boy 9_______ such long hair.
B: I don't care. I don’t think appearances (外貌) are 10_______ in a friendship.
关于普萘洛尔抗心绞痛的作用中叙述错误的是
A.阻断β受体,抑制心脏活动,降低心肌耗氧量
B.增大心室容积,延长射血时间,能相对增加心肌耗氧量,部分抵消其降低心肌耗氧量的有利作用
C.促进氧合血红蛋白的解离,增加组织供氧
D.抑制心肌收缩力,从而减小心室容积,缩短射血时间,降低心肌耗氧量
E.改善缺血区心肌的供血