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【单选题】
为制造快硬水泥，不能采用的措施是(    )。
A.
加大水泥的表面积    
B.
提高石膏的掺量
C.
增加C 3 A和C 2 S的含量
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参考答案：
举一反三
【单选题】DIC早期使用肝素的主要作用是
A.
扩张血管，改善微循环
B.
防止纤维蛋白和凝血因子的消耗
C.
抑制血小板聚集
D.
抑制炎症介质活性，减轻对机体损害
查看完整题目与答案
【判断题】通过用分析天平准确称量,可直接配制 NaOH 标准溶液
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W：Harry，what's the matter? You look pale. M：I just had a terrible experience. W：Did you have an accident? M：Not quite，but almost. I was crossing the street just now and was almost hit by a car. F...
A.
Because he was too tired.
B.
Because he was injured in a traffic accident.
C.
Because he was almost hit by a car and felt frightened.
D.
Because he was ill.
查看完整题目与答案
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊、肺泡管、细支气管
B.
肺泡、肺泡囊、肺泡管、呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡、肺泡囊、呼吸性细支气管、细支气管
查看完整题目与答案
【简答题】I just managed to _____ a quick breath before I was ed under the water by the passing boat. A. snatch B. scratch C. sc D. scan
查看完整题目与答案
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊,肺泡管 细支气管
B.
肺泡, 肺泡囊, 肺泡管, 呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡,肺泡囊、呼吸性细支气管,细支气管
E.
肺泡、肺泡管,呼吸性细支气管,终末细支气管
查看完整题目与答案
【单选题】呼吸频率力口倍，潮气量减半时，将使
A.
肺泡通气量减少
B.
每分通气量减少
C.
肺泡通气量增加
D.
肺泡通气量不变
E.
每分通气量增加
查看完整题目与答案
【单选题】呼吸频率加倍，潮气量减半时，将使
A.
每分通气量增加
B.
每分通气量减少
C.
肺泡通气量增加
D.
肺泡通气量减少
E.
肺泡通气量不变
查看完整题目与答案
【单选题】如呼吸频率增加一倍，而潮气量减少一半，则
A.
肺泡通气量减少
B.
肺通气量减少
C.
肺泡通气量不变
D.
肺泡通气量增加
E.
肺通气量增加
查看完整题目与答案
【单选题】听力原文：W: Dad, a new Nike store has just opened on the corner. M: Yes, I know. W: Well, I want to buy a pair of tennis shoes. I have just joined a tennis club. M: That's nice! I'm happy you've decided t...
A.
Husband and wife.
B.
Father and daughter.
C.
Teacher and student.
D.
Shop assistant and customer.
查看完整题目与答案
相关题目：
【单选题】DIC早期使用肝素的主要作用是
A.
扩张血管，改善微循环
B.
防止纤维蛋白和凝血因子的消耗
C.
抑制血小板聚集
D.
抑制炎症介质活性，减轻对机体损害
查看完整题目与答案
【判断题】通过用分析天平准确称量,可直接配制 NaOH 标准溶液
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W：Harry，what's the matter? You look pale. M：I just had a terrible experience. W：Did you have an accident? M：Not quite，but almost. I was crossing the street just now and was almost hit by a car. F...
A.
Because he was too tired.
B.
Because he was injured in a traffic accident.
C.
Because he was almost hit by a car and felt frightened.
D.
Because he was ill.
查看完整题目与答案
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊、肺泡管、细支气管
B.
肺泡、肺泡囊、肺泡管、呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡、肺泡囊、呼吸性细支气管、细支气管
查看完整题目与答案
【简答题】I just managed to _____ a quick breath before I was ed under the water by the passing boat. A. snatch B. scratch C. sc D. scan
查看完整题目与答案
【单选题】肺的呼吸部包括
A.
肺泡、肺泡囊,肺泡管 细支气管
B.
肺泡, 肺泡囊, 肺泡管, 呼吸性细支气管
C.
肺泡、肺泡囊、呼吸性细支气管、终末细支气管
D.
肺泡,肺泡囊、呼吸性细支气管,细支气管
E.
肺泡、肺泡管,呼吸性细支气管,终末细支气管
查看完整题目与答案
【单选题】呼吸频率力口倍，潮气量减半时，将使
A.
肺泡通气量减少
B.
每分通气量减少
C.
肺泡通气量增加
D.
肺泡通气量不变
E.
每分通气量增加
查看完整题目与答案
【单选题】呼吸频率加倍，潮气量减半时，将使
A.
每分通气量增加
B.
每分通气量减少
C.
肺泡通气量增加
D.
肺泡通气量减少
E.
肺泡通气量不变
查看完整题目与答案
【单选题】如呼吸频率增加一倍，而潮气量减少一半，则
A.
肺泡通气量减少
B.
肺通气量减少
C.
肺泡通气量不变
D.
肺泡通气量增加
E.
肺通气量增加
查看完整题目与答案
【单选题】听力原文：W: Dad, a new Nike store has just opened on the corner. M: Yes, I know. W: Well, I want to buy a pair of tennis shoes. I have just joined a tennis club. M: That's nice! I'm happy you've decided t...
A.
Husband and wife.
B.
Father and daughter.
C.
Teacher and student.
D.
Shop assistant and customer.
查看完整题目与答案
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