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【单选题】
关于反应速率r表达不正确的是（）A.
与体系的大小无关而与浓度大小有关
B.
与各物质浓度标度选择有关
C.
可为正值也可为负值
D.
与反应方程式写法无关
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】沙门菌主要引起的疾病是:
【判断题】On no account would I borrow money from friends , and still less I would be dependent on the favors of rich relatives.
A.
正确
B.
错误
【单选题】On no account___borrow money from my friends, and still less___dependent on the favors of rich relatives.
A.
would I...would I be
B.
I would ...I would be
C.
would I...I would be
D.
I would ... would I be
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