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【简答题】
强酸滴定强碱时，若酸、碱的浓度均增大10倍，则滴定突跃增大的pH单位是( ) (A) 1个单位。(B) 2个单位。 (C) 10个单位。(D) 不变化。
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【单选题】听力原文：W: I hope you liked the novel I lent you. I wasn't sure whether it was the kind of book you'd be interested in. M: I had the same doubt first, but once I started it I simply couldn't put it down....
A.
He doubts the woman will like the novel.
B.
He'll lend the woman the novel after he has read it.
C.
He enjoyed reading the novel.
D.
He hasn't started reading the novel yet.
【单选题】听力原文：W: I hope you like the novel I lent you. I wasn't sure whether it was the kind of book you would be interested in. M: You know, I had the same doubt at first. But once I started I simply couldn't...
A.
He enjoyed reading the novel.
B.
He hasn't started reading the novel yet.
C.
He doubts the woman will like the novel.
D.
He'll lend the woman the novel after he has read it.
【单选题】爆破作用指数n是（ ）。
A.
最小抵抗线跟爆破漏斗底半径的比值
B.
爆破漏斗底半径跟最小抵抗线的比值
C.
爆破漏斗底半径跟最小抵抗线之和
D.
爆破漏斗底半径跟最小抵抗线之差
【简答题】什么是爆破作用指数n？按照n值的不同，可将爆破作用分成哪几类？
【单选题】下列哪种血气分析变化符合I型呼吸衰竭
A.
PaO2 55mmHg， PaCO2 50mmHg
B.
PaO2 65mmHg， PaCO2 40mmHg
C.
PaO2 50mmHg， PaCO2 40mmHg
D.
PaO2 70mmHg， PaCO2 35mmHg
E.
PaO2 80mmHg， PaCO2 55mmHg
【单选题】听力原文：W: I hope you like the novel I lent you. I wasn't sure whether it was the kind of book you would be interested in. M: You know, I had the same doubt at first. But once I started I simply couldn't...
A.
He doubts the woman will like the novel.
B.
He hasn't started reading the novel yet.
C.
He enjoyed reading the novel.
D.
He'll lend the woman the novel after he has read it.
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