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【单选题】
发芽的土豆不能食用的原因是( )使机体酶蛋白变性。
A.
有机溶剂沉淀
B.
重金属盐沉淀
C.
盐析
D.
生物碱沉淀
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举一反三
【简答题】The Lunar New Year, which starts in late January this year, is the most important festival for Chinese people as most of them drop any business at hand to go back to their hometown to see their famili...
查看完整题目与答案
【单选题】若298K时,HCO3-(aq)和CO32-(aq)的 fG0-587.06 KJ/mol和-528.10KJ/mol,则反应HCO3-(aq) H+(aq)+CO32-(aq)的 rG0常数分别为( )
A.
1115.16KJ/mol和4.7×10-11
B.
58.96KJ/mol和4.7×10-11
C.
-58.96KJ/mol和4.7×10-11
D.
58.96KJ/mol和-4.7×10-12
查看完整题目与答案
【单选题】Which of the following statements about the Spring Festival is NOT true?
A.
The date of the Spring Festival starts from the 1st day of the 1st solar month.
B.
It originated in the Shang Dynasty (c. 1600 BC-c. 1100 BC) from the people's sacrifice to gods and ancestors at the end of an old year and the beginning of a new one.
C.
Based on the phases of the moon, Chinese New Year occurs between the winter solstice and the spring equinox.
D.
There are a wide variety of traditional activities during the Spring Festival.
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【判断题】在数据通信系统中,Modem属于数据终端设备。
A.
正确
B.
错误
查看完整题目与答案
【单选题】若298K时，HCO 3 （aq）CO 3 （aq）的△ r G θ 分别为-587.06和-528.10kJ·mol -1 ，则反应的△ r G θ 为（）。
A.
1115.16kJ·mol -1
B.
58.96kJ·mol -1
C.
-58.96kJ·mol -1
D.
-1115.16kJ·mol -1
查看完整题目与答案
【判断题】The celebration of Bathing festival starts on July 6th and ends on July 12th by Tibetan lunar calendar.
A.
正确
B.
错误
查看完整题目与答案
【简答题】数据清单的 每一列包含( )类型的数据
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【单选题】若圆锥体的轴线处于铅垂线位置，则圆锥面上的点的水平投影位于
A.
圆上
B.
圆内
C.
圆外
D.
矩形边框上
查看完整题目与答案
【单选题】若圆锥体的轴线处于铅垂线位置,则圆锥面上的点的水平投影位于
A.
矩形边框上
B.
圆上
C.
圆外
D.
圆内
查看完整题目与答案
【单选题】—We are informed that the Weifang International Kite Festival starts at 7:00. —Oh, I didn't expect it was so early! I ____ to go out for dinner with my friends first.
A.
would plan
B.
am planning
C.
have been planning
D.
was planning
查看完整题目与答案
相关题目：
【简答题】The Lunar New Year, which starts in late January this year, is the most important festival for Chinese people as most of them drop any business at hand to go back to their hometown to see their famili...
查看完整题目与答案
【单选题】若298K时,HCO3-(aq)和CO32-(aq)的 fG0-587.06 KJ/mol和-528.10KJ/mol,则反应HCO3-(aq) H+(aq)+CO32-(aq)的 rG0常数分别为( )
A.
1115.16KJ/mol和4.7×10-11
B.
58.96KJ/mol和4.7×10-11
C.
-58.96KJ/mol和4.7×10-11
D.
58.96KJ/mol和-4.7×10-12
查看完整题目与答案
【单选题】Which of the following statements about the Spring Festival is NOT true?
A.
The date of the Spring Festival starts from the 1st day of the 1st solar month.
B.
It originated in the Shang Dynasty (c. 1600 BC-c. 1100 BC) from the people's sacrifice to gods and ancestors at the end of an old year and the beginning of a new one.
C.
Based on the phases of the moon, Chinese New Year occurs between the winter solstice and the spring equinox.
D.
There are a wide variety of traditional activities during the Spring Festival.
查看完整题目与答案
【判断题】在数据通信系统中,Modem属于数据终端设备。
A.
正确
B.
错误
查看完整题目与答案
【单选题】若298K时，HCO 3 （aq）CO 3 （aq）的△ r G θ 分别为-587.06和-528.10kJ·mol -1 ，则反应的△ r G θ 为（）。
A.
1115.16kJ·mol -1
B.
58.96kJ·mol -1
C.
-58.96kJ·mol -1
D.
-1115.16kJ·mol -1
查看完整题目与答案
【判断题】The celebration of Bathing festival starts on July 6th and ends on July 12th by Tibetan lunar calendar.
A.
正确
B.
错误
查看完整题目与答案
【简答题】数据清单的 每一列包含( )类型的数据
查看完整题目与答案
【单选题】若圆锥体的轴线处于铅垂线位置，则圆锥面上的点的水平投影位于
A.
圆上
B.
圆内
C.
圆外
D.
矩形边框上
查看完整题目与答案
【单选题】若圆锥体的轴线处于铅垂线位置,则圆锥面上的点的水平投影位于
A.
矩形边框上
B.
圆上
C.
圆外
D.
圆内
查看完整题目与答案
【单选题】—We are informed that the Weifang International Kite Festival starts at 7:00. —Oh, I didn't expect it was so early! I ____ to go out for dinner with my friends first.
A.
would plan
B.
am planning
C.
have been planning
D.
was planning
查看完整题目与答案