皮皮学，免费搜题
登录
搜题
【判断题】
弱碱性树脂与OH-结合力较强 ,因此再生成羟型较困难,耗碱量较大,氯型转为羟型所需强酸量一般为理论交换容量的2~3倍。A.
正确
B.
错误
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】狭义外汇是指以外币表示的，可直接用于清偿国际间债权债务的支付手段。下列属于狭义外汇的是( )。
A.
美元现钞
B.
欧元存单
C.
美元远期外汇
D.
英镑支票
E.
美元债券
【单选题】听力原文：Narrator Listen to part of a conversation between a student and a professor. Student How are you, Professor Smith! Professor How are you, Gillian! Anything I can do for you? Student Well, I know ...
A.
To inform. people of the aging process.
B.
To make people aware of the side effects of aging.
C.
To inform. people of the discomfort with old age.
D.
To make people change their idea about old age.
【单选题】______ abroad for years, the old professor returned tothe place where he was grew up.
A.
Having been
B.
Being
C.
Tobe
D.
To having been
【多选题】狭义外汇是指以外币表示的，可直接用于清偿国际问债权的支付手段。下列属于狭义外汇的是( )。
A.
美元现钞
B.
欧元现钞
C.
美元远期汇票
D.
英镑支票
E.
美元债券
【单选题】在6度分带中,A点的高斯坐标为(112240m,20500000m),则A点所在别为()
A.
39带,117°
B.
20带,120°
C.
20带,117°
D.
39带,120°
【单选题】It was not until 1978_____ set free from the prison.
A.
that the old professor was
B.
did the old professor
C.
was the old professor
D.
that was the old professor
【简答题】一艘敌舰正以 v 1 = 12 m /s 的速度逃跑,飞机在 320 m 高空以 v 2 = 105 m /s 的速度同向追击.为击中敌舰,应提前投弹.求飞机投弹时,沿水平方向它与敌舰之间的距离多大?
相关题目：