皮皮学，免费搜题
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搜题
【单选题】
利用混合物中各成分在两种互不相溶的溶剂中分配系数的不同而达到分离目的的方法是A.
两相溶剂萃取法
B.
升华法
C.
溶剂沉淀法
D.
酸碱沉淀法
E.
盐析法
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】.家住攀枝花的张某与成都青年旅行社在西昌签订了旅游服务合同,双方约定云南大理与丽江五日游,在大理旅游期间,导游擅自增加购物景点,对此张先生可以到( )旅游投诉受理机构投诉
A.
攀枝花
B.
成都
C.
西昌
D.
大理
E.
丽江
【单选题】Neighbors like_____, usually about others’ private matters.
A.
talking
B.
speaking
C.
saying
D.
gossiping
【单选题】What are your neighbors like?
A.
They are workers.
B.
They are tall.
C.
They are quiet.
D.
They are old men.
【简答题】We'll still feel like neighbors despite the distance apart.
【单选题】Monthly sales have been found to follow a linear trend of y = 9.82 + 4.372x, where y is the number of items sold and x is the number of the month. Monthly deviations from the trend have been calculate...
A.
115
B.
123
C.
106
D.
152
【单选题】Cathy is __________ that the neighbors like to have a chat with with her.
A.
such nice a girl
B.
such a nice girl
C.
so a nice girl
D.
a very nice girl
【单选题】Mr. Wang,can I ___ your mobile phone? Mine is at home now. [ ]
A.
borrow
B.
use
C.
keep
D.
make
【单选题】Monthly sales have been found to follow a linear trend of y = 9.82 + 4.372x, where y is the number of items sold and x is the number of the month. Monthly deviations from the trend have been calculate...
A.
106
B.
115
C.
123
D.
152
【简答题】如图是向量中断过程的示意图,步骤1至5中步骤____(填写数字)至5是属于中断响应周期的。
相关题目：
【单选题】Mr. Wang,can I ___ your mobile phone? Mine is at home now. [ ]
A.
borrow
B.
use
C.
keep
D.
make