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【多选题】
下列关于劳动教养的说法正确的有( )。
A.
劳动教养不是刑罚
B.
未成年人可以适用劳动教养
C.
劳动教养由县级公安机关批准、执行
D.
劳动教养由司法机关批准
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举一反三
【单选题】PH值可用来表示水溶液的酸碱度,PH值越大,( )。
A.
酸性越强
B.
碱性越强；
C.
碱性越弱
D.
不一定
查看完整题目与答案
【单选题】溶液的酸碱度越大,( ) 值越大。
A.
PG
B.
PH
C.
PPT
D.
PPM
查看完整题目与答案
【多选题】After a busy week, Jim, an American, was looking forward to spending Saturday reading and relaxing by himself. He had been very busy at work during the week and had worked overtime. Saturday came and ...
A.
Jim probably had mixed feelings when he saw Magid. He was happy to see him, but felt disappointed that he couldn't spend the time alone.
B.
Jim was a little bit upset by the sudden dropping by of Magid.
C.
Jim was so happy to see Magid that he forgot about wanting to spend the day by himself.
查看完整题目与答案
【单选题】溶液的酸碱度越大,( )值越大。
A.
pg
B.
pH
C.
ppt
D.
ppm
查看完整题目与答案
【简答题】The man in the story was by no means a te rri ble or a male ch a uvi ni st . In fact, he was co n sider e d because he shared t h e housewo rk . He was probably also considered quite on problems.
查看完整题目与答案
【判断题】溶液的PH值大小表示溶液的酸碱度，PH值越小，溶液的酸度越小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】pH 可用来表示水溶液的酸碱度,pH值越大,( )。
A.
碱性越强
B.
酸性越强
C.
碱性越弱
查看完整题目与答案
【判断题】溶液的PH值大小表示溶液的酸碱度,PH值越小,溶液酸度越小。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】pH值可用来表示水溶液的酸碱度，pH值越大，（）。
A.
酸性越强
B.
碱性越强
C.
碱性越弱
D.
不一定
查看完整题目与答案
【简答题】酸碱性强弱的表示。在一定量的水溶液中,H + 浓度越大,酸性 越 ;OH - 浓度越大,碱性 越 。化学上常用 pH 表示溶液酸碱性的强弱程度。 (1)pH 的数值通常在 之间。 (2) 常温下溶液的酸碱性强弱与pH的关系如图所示: 1pH=7,溶液呈 ; 2pH7,溶液呈 ,pH越大,碱性 越 。
查看完整题目与答案
相关题目：
【单选题】PH值可用来表示水溶液的酸碱度,PH值越大,( )。
A.
酸性越强
B.
碱性越强；
C.
碱性越弱
D.
不一定
查看完整题目与答案
【单选题】溶液的酸碱度越大,( ) 值越大。
A.
PG
B.
PH
C.
PPT
D.
PPM
查看完整题目与答案
【多选题】After a busy week, Jim, an American, was looking forward to spending Saturday reading and relaxing by himself. He had been very busy at work during the week and had worked overtime. Saturday came and ...
A.
Jim probably had mixed feelings when he saw Magid. He was happy to see him, but felt disappointed that he couldn't spend the time alone.
B.
Jim was a little bit upset by the sudden dropping by of Magid.
C.
Jim was so happy to see Magid that he forgot about wanting to spend the day by himself.
查看完整题目与答案
【单选题】溶液的酸碱度越大,( )值越大。
A.
pg
B.
pH
C.
ppt
D.
ppm
查看完整题目与答案
【简答题】The man in the story was by no means a te rri ble or a male ch a uvi ni st . In fact, he was co n sider e d because he shared t h e housewo rk . He was probably also considered quite on problems.
查看完整题目与答案
【判断题】溶液的PH值大小表示溶液的酸碱度，PH值越小，溶液的酸度越小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】pH 可用来表示水溶液的酸碱度,pH值越大,( )。
A.
碱性越强
B.
酸性越强
C.
碱性越弱
查看完整题目与答案
【判断题】溶液的PH值大小表示溶液的酸碱度,PH值越小,溶液酸度越小。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】pH值可用来表示水溶液的酸碱度，pH值越大，（）。
A.
酸性越强
B.
碱性越强
C.
碱性越弱
D.
不一定
查看完整题目与答案
【简答题】酸碱性强弱的表示。在一定量的水溶液中,H + 浓度越大,酸性 越 ;OH - 浓度越大,碱性 越 。化学上常用 pH 表示溶液酸碱性的强弱程度。 (1)pH 的数值通常在 之间。 (2) 常温下溶液的酸碱性强弱与pH的关系如图所示: 1pH=7,溶液呈 ; 2pH7,溶液呈 ,pH越大,碱性 越 。
查看完整题目与答案