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【单选题】
用 HCl 溶液滴定 NaOH 和 Na 2 CO 3 混合液,以酚酞为指示剂,消耗 HCl V 1 (mL) ,以甲基橙为指示剂继续滴定,又消耗 HCl 溶液 V 2 (mL) , V 2 与 V 1 的关系是
A.
V 1 > V 2
B.
V 1 = V 2
C.
2V 1 = V 2
D.
V 1 = 2V 2
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参考答案：
举一反三
【判断题】应尽可能将蓄电池放在电池房最低处。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在香菇的结构中,直接释放孢子的是()。
A.
担子
B.
菌盖
C.
菌隔
D.
菌幕
查看完整题目与答案
【单选题】Dialogue Two Speaker A: I have an admiration for Chinese Kung Fu. Bruce Lee， Jet Li and Jackie Chan are very popular in movies circle. Speaker B: I like the movie Huang Feihong best. Do you enjoy swor...
A.
Wushu schools have developed quickly.
B.
Wushu has a very deep base from the masses.
C.
It can strengthen physical health.
D.
Wushu is popular with young people.
查看完整题目与答案
【单选题】下列哪项不在微生物的共性范畴内( )
A.
分布广种类多
B.
体积小
C.
生态类型多
D.
生长旺盛，繁殖快
查看完整题目与答案
【单选题】1 下列哪项不在微生物的共性范畴内( )
A.
分布广种类多，体积小面积大
B.
适应强，易变异
C.
生态类型多
D.
生长旺盛，繁殖快
查看完整题目与答案
【判断题】耳式体温计是通过测量耳朵鼓膜的辐射亮度,非接触地实现对人体温度的测量。只需将探头对准内耳道,按下测量钮,仅有几秒钟就可得到测量数据,非常适合急重病患者、老人、婴幼儿等使用。
A.
正确
B.
错误
查看完整题目与答案
【单选题】（）即网络服务提供商。
A.
TCP
B.
FAQs
C.
ISP
D.
ICP
查看完整题目与答案
【单选题】()即网络服务提供商。
A.
[A]TCP
B.
[B]FAQs
C.
[C]ISP
D.
[D]ICP
查看完整题目与答案
【单选题】学校工作必须先坚持以()为中心。
A.
教学
B.
德育
C.
教师
D.
学生
查看完整题目与答案
【单选题】听力原文：W：Mr．Lee was born in Indonesia，wasn't he? M：I don't know whether he was born there or not，but I've heard him say he lived in Hong Kong when he was in junior high school． Q：What doesn't the man kn...
A.
He doesn't know if Mr. Lee was born in Indonesia.
B.
He doesn't know where Mr. Lee lived before.
C.
He doesn't know when Mr. Lee would go to Hong Kong.
D.
He doesn't know where Mr. Lee grew up.
查看完整题目与答案
相关题目：
【判断题】应尽可能将蓄电池放在电池房最低处。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在香菇的结构中,直接释放孢子的是()。
A.
担子
B.
菌盖
C.
菌隔
D.
菌幕
查看完整题目与答案
【单选题】Dialogue Two Speaker A: I have an admiration for Chinese Kung Fu. Bruce Lee， Jet Li and Jackie Chan are very popular in movies circle. Speaker B: I like the movie Huang Feihong best. Do you enjoy swor...
A.
Wushu schools have developed quickly.
B.
Wushu has a very deep base from the masses.
C.
It can strengthen physical health.
D.
Wushu is popular with young people.
查看完整题目与答案
【单选题】下列哪项不在微生物的共性范畴内( )
A.
分布广种类多
B.
体积小
C.
生态类型多
D.
生长旺盛，繁殖快
查看完整题目与答案
【单选题】1 下列哪项不在微生物的共性范畴内( )
A.
分布广种类多，体积小面积大
B.
适应强，易变异
C.
生态类型多
D.
生长旺盛，繁殖快
查看完整题目与答案
【判断题】耳式体温计是通过测量耳朵鼓膜的辐射亮度,非接触地实现对人体温度的测量。只需将探头对准内耳道,按下测量钮,仅有几秒钟就可得到测量数据,非常适合急重病患者、老人、婴幼儿等使用。
A.
正确
B.
错误
查看完整题目与答案
【单选题】（）即网络服务提供商。
A.
TCP
B.
FAQs
C.
ISP
D.
ICP
查看完整题目与答案
【单选题】()即网络服务提供商。
A.
[A]TCP
B.
[B]FAQs
C.
[C]ISP
D.
[D]ICP
查看完整题目与答案
【单选题】学校工作必须先坚持以()为中心。
A.
教学
B.
德育
C.
教师
D.
学生
查看完整题目与答案
【单选题】听力原文：W：Mr．Lee was born in Indonesia，wasn't he? M：I don't know whether he was born there or not，but I've heard him say he lived in Hong Kong when he was in junior high school． Q：What doesn't the man kn...
A.
He doesn't know if Mr. Lee was born in Indonesia.
B.
He doesn't know where Mr. Lee lived before.
C.
He doesn't know when Mr. Lee would go to Hong Kong.
D.
He doesn't know where Mr. Lee grew up.
查看完整题目与答案
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