皮皮学，免费搜题
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【简答题】
根据首字母或汉语提示填空。 1．Many students find it very difficult to m English words. 2．Lucy can write English very well, but she must pay attention to her p and try to speak it better. 3．Just now I r that I had left my schoolbag on the playground. 4．This exam is a real c . Please study hard for it. 5．Although I failed four times, my father encouraged me to have a f try. 6．In my d life, reading newspapers has become a part of mine. 7．He used to be a 'problem child', but recent c changed his life. 8．Our teacher listed three p on how to write a good essay. 9．Luckily, she has an o to make an advanced study in Beijing. 10．Most children can not c on one thing for a long time.
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皮皮学刷刷变学霸
举一反三
【多选题】生理型止血过程包括：
A.
血小板粘着于受损伤血管
B.
血液凝固，血块回缩
C.
血小板释放5－羟色胺使小血管收缩
D.
血小板聚集形成血小板止血栓
E.
纤溶系统激活
【简答题】血浆凝固过程包括______、______和______三个基本阶段。
【多选题】生理性凝血过程的基本特征包括 ( )
A.
凝血首先启动的是外源性凝血途径
B.
内源性凝血途径先由PK、HMWK、FⅫ激活
C.
生理性凝血只局限于受损血管的局部
D.
整个凝血过程均有细胞和体液的参与
E.
凝血过程具有正、负反馈调节作用