皮皮学，免费搜题
登录
搜题
【简答题】
校准曲线的相关系数是反映自变量(物质的浓度)与因变量(仪器信号值)之间的相互关系的。 ( )
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】He actually didn't see the man ______ the room, but he heard them ______ in it.
A.
to enter, laugh
B.
enter, to laugh
C.
to enter, laughing
D.
enter, laughing
【单选题】下列关于碳酸盐热稳定性顺序正确的是 。
A.
铵盐 > 过渡金属盐 > 碱土金属盐 > 碱金属盐
B.
碱金属盐 > 碱土金属盐 > 过渡金属盐 > 铵盐
C.
碱土金属盐 > 碱金属盐 > 铵盐 > 过渡金属盐
D.
过渡金属盐 > 碱土金属盐 > 碱金属盐 > 铵盐
【单选题】He made ________ known to his friends that he didn’t want to enter politics.
A.
that
B.
it
C.
himself
D.
him
【简答题】A．She was afraid of the professor. B．She didn't enter her house. C．She didn't make full preparations for her lessons. D．She lost her key.
【单选题】Dayu didn’t enter his home for three times because ______.
A.
He didn’t like to go home
B.
He was not allowed to go home
C.
He was busy and had no time to go home.
D.
He was asked not to do so.
【单选题】–Hi, Kate! --Hi, Mary. I ______ you are here.
A.
don’t know
B.
don’t think C, think D. didn’t know
【单选题】The writer was so ______ on her work that she didn’t notice him enter the room
A.
absorbed
B.
abandoned
C.
focused
D.
concerned
相关题目：
参考解析：
知识点：
题目纠错 0
发布
