皮皮学，免费搜题
登录
搜题
【单选题】
关于电解质对溶胶的聚沉作用,下列说法不正确的是( )
A.
电解质的聚沉作用主要取决于反离子
B.
反离子价数愈高,聚沉能力
C.
同价离子的聚沉能力也略有不同
D.
聚沉值越小,聚沉能力越弱
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
【简答题】For more than two days in September 1974, the people of Honduras shut their windows, locked their doors and covered in their homes. Fifi was outside, and they were frightened. By the time Fifi had lef...
查看完整题目与答案
【单选题】They shut ____ their town house and moved to the country for the summer.
A.
off
B.
up
C.
in
D.
down
查看完整题目与答案
【单选题】Bats are able to maneuver in the dark even if they are blindfolded. However, if their ears are taped shut they cannot find their way. Bats emit very high pitched sound waves through their nostrils. Th...
A.
Bats are able to maneuver in the dark even if they are blindfolded.
B.
However, if their ears are taped shut they cannot find their way.
C.
Bats emit very high pitched sound waves through their nostrils.
D.
The reflection of these sound waves reaching their sensitive ears enables bats to avoid obstacles.
E.
In this way they can capture even very tiny insects.
F.
Many bats prefer to eat fruit than insects.
查看完整题目与答案
【简答题】（13分）组成生命细胞的11种常量元素（约占人体总质量的99.97%），全部位于周期表的前20号。其中组成人体蛋白质、脂肪、碳水化合物和核酸的主要有6种元素。 （1）这六种元素中除H、C、O、P、S外，应该还有____（写元素符号），它的基态原子核外电子排布式是                ，其第一电离能比O的________(填“大”或“小”)；与它同周期，且单质熔点最高的元素在周期表中的位置...
查看完整题目与答案
【多选题】罗安淇 第二节 27以下佛教寺院属于五台山名寺的是()。
A.
菩萨顶寺
B.
显通寺
C.
塔院寺
D.
普济寺
E.
万年寺
查看完整题目与答案
【单选题】测者眼高为25米 物标高程为36米 则测者能见地平距离为 海里。
A.
10.45
B.
12.54
C.
20.9
D.
22.99
查看完整题目与答案
【判断题】管理会计是会计与管理两者的有机结合。
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据Na、K、Mg在元素周期表中的位置，可知其金属性由强到弱的顺序排列是(    )
A.
Na、K、Mg    
B.
K、Na、Mg
C.
Mg、K、Na    
D.
Mg、Na、K
查看完整题目与答案
【单选题】“Americans are queer people: they can’tplay. Americans rush to work as soon as they group up. They want their work assoon as they wake. It is a stimulant—the only one they are not afraid of. Theyused ...
A.
Using transitional expressions
B.
Being consistent in the person and number of nouns and pronouns, and the tense ofverbs
C.
Using pronouns to refer to nouns in preceding sentences
D.
Using parallel structures
查看完整题目与答案
【单选题】They shut______ their town house and moved to the country for the summer.
A.
down
B.
off
C.
in
D.
up
查看完整题目与答案
相关题目：
【简答题】For more than two days in September 1974, the people of Honduras shut their windows, locked their doors and covered in their homes. Fifi was outside, and they were frightened. By the time Fifi had lef...
查看完整题目与答案
【单选题】They shut ____ their town house and moved to the country for the summer.
A.
off
B.
up
C.
in
D.
down
查看完整题目与答案
【单选题】Bats are able to maneuver in the dark even if they are blindfolded. However, if their ears are taped shut they cannot find their way. Bats emit very high pitched sound waves through their nostrils. Th...
A.
Bats are able to maneuver in the dark even if they are blindfolded.
B.
However, if their ears are taped shut they cannot find their way.
C.
Bats emit very high pitched sound waves through their nostrils.
D.
The reflection of these sound waves reaching their sensitive ears enables bats to avoid obstacles.
E.
In this way they can capture even very tiny insects.
F.
Many bats prefer to eat fruit than insects.
查看完整题目与答案
【简答题】（13分）组成生命细胞的11种常量元素（约占人体总质量的99.97%），全部位于周期表的前20号。其中组成人体蛋白质、脂肪、碳水化合物和核酸的主要有6种元素。 （1）这六种元素中除H、C、O、P、S外，应该还有____（写元素符号），它的基态原子核外电子排布式是                ，其第一电离能比O的________(填“大”或“小”)；与它同周期，且单质熔点最高的元素在周期表中的位置...
查看完整题目与答案
【多选题】罗安淇 第二节 27以下佛教寺院属于五台山名寺的是()。
A.
菩萨顶寺
B.
显通寺
C.
塔院寺
D.
普济寺
E.
万年寺
查看完整题目与答案
【单选题】测者眼高为25米 物标高程为36米 则测者能见地平距离为 海里。
A.
10.45
B.
12.54
C.
20.9
D.
22.99
查看完整题目与答案
【判断题】管理会计是会计与管理两者的有机结合。
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据Na、K、Mg在元素周期表中的位置，可知其金属性由强到弱的顺序排列是(    )
A.
Na、K、Mg    
B.
K、Na、Mg
C.
Mg、K、Na    
D.
Mg、Na、K
查看完整题目与答案
【单选题】“Americans are queer people: they can’tplay. Americans rush to work as soon as they group up. They want their work assoon as they wake. It is a stimulant—the only one they are not afraid of. Theyused ...
A.
Using transitional expressions
B.
Being consistent in the person and number of nouns and pronouns, and the tense ofverbs
C.
Using pronouns to refer to nouns in preceding sentences
D.
Using parallel structures
查看完整题目与答案
【单选题】They shut______ their town house and moved to the country for the summer.
A.
down
B.
off
C.
in
D.
up
查看完整题目与答案