中毒性痢疾的临床特征是:()
A.急性高热,反复惊厥,昏迷
B.腹痛、腹泻明显
C.迅速发生休克、呼吸衰竭
D.大便常规检查发现大量炎性细胞
E.脑脊液化验正常
参考答案:A,C,D,E
补全对话,每空一词。
Jenny: Hello, Danny.
Danny: _____________, Jenny. _____________ are you going?
Jenny: I'm going to the park _____________ Li Lei. _____________ about you?
Danny: I don't know. May I go with you?
Jenny: _____________. Let's go together.
Danny: Great.
下列物品中可以用悬挂法测量重心的是( )
A.木棍
B.石块
C.密度不均匀的金属薄板
D.雨衣