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【简答题】
下列说法中，正确的是： A．0.1 mol·L － 1 的醋酸溶液加水稀释， c （H ＋ ）、 c （ OH － ）同比例减小 B．体积相同、pH相同的NH 4 Cl溶液、盐酸，完全溶解少量且等同的锌粉，前者用 C．将 n mol H 2 (g)、 n mol I 2 (g)和2 n mol H 2 (g)、2 n mol I 2 (g)分别充入两个恒温恒容的容器中，平衡时H 2 的转化率前者小于后者 D．室温下，某溶液中由水电离的出H ＋ 浓度为10 － a mol/L，a＜7时，溶液的pH为a或14 -a
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参考答案：
举一反三
【单选题】The speaker suggests encouraging others to talk about themselves because
A.
it's a good way to know each other.
B.
it is a means of showing respect.
C.
people are passive listeners.
D.
people care more about themselves.
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【判断题】程序段“IF R1>6 GOTOB LABELl;...;LABELl:...;”表示如果 R1 的值大于 6,则程序向后跳转至“LABELl”段。
A.
正确
B.
错误
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【单选题】The speaker suggests ostrich farms are profitable because ______.
A.
little initial outlay is required.
B.
farmed birds are very productive.
C.
there is a good market for the meat.
查看完整题目与答案
【单选题】标签对象的名称(Name属性)为Labell,则把标签的标题设置为“演示示例 的语句是
A.
Labell = “演示示例”
B.
Labell.Caption = “演示示例”
C.
Labell.Text= “演示示例”
D.
Labell.Name = “演示示例”
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【单选题】如要编程实现:如果 R1 大于或等于 R2,那么程序向后跳转至“LABELl” 程序段,下面语句中正确的是( )。
A.
GOTOF LABELl
B.
GOTOB LABELl
C.
IF R1>=R2 GOTOF LABELl
D.
IF R1>=R2 GOTOB LABELl
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【单选题】The speaker suggests all of the following EXCEPT______.
A.
writing a speech
B.
using PowerPoint
C.
practicing more
D.
taking minimal notes
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【单选题】The speaker suggests the 'Enigma Variations' because it is ______.
A.
traditional
B.
more melodic
C.
very repetitive
D.
commonly played
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【单选题】At the end of the talk, the speaker suggests that __________.
A.
you stop training in the gym and take a hot bath every day
B.
you keep training without considering a hot bath
C.
you control blood sugar levels with a hot bath if you have type-2 diabetes
D.
you control blood sugar levels under a trainer’s instruction
查看完整题目与答案
【判断题】The speaker suggests that learning a language is easier nowadays
A.
正确
B.
错误
查看完整题目与答案
【单选题】患者王某，男，72岁，因“支气管哮喘”入院。病愈出院后，其床垫消毒宜采用
A.
燃烧法
B.
紫外线灯照射法
C.
流通蒸汽消毒法
D.
含氯消毒剂喷洒法
E.
微波消毒法
查看完整题目与答案
相关题目：
【单选题】The speaker suggests encouraging others to talk about themselves because
A.
it's a good way to know each other.
B.
it is a means of showing respect.
C.
people are passive listeners.
D.
people care more about themselves.
查看完整题目与答案
【判断题】程序段“IF R1>6 GOTOB LABELl;...;LABELl:...;”表示如果 R1 的值大于 6,则程序向后跳转至“LABELl”段。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The speaker suggests ostrich farms are profitable because ______.
A.
little initial outlay is required.
B.
farmed birds are very productive.
C.
there is a good market for the meat.
查看完整题目与答案
【单选题】标签对象的名称(Name属性)为Labell,则把标签的标题设置为“演示示例 的语句是
A.
Labell = “演示示例”
B.
Labell.Caption = “演示示例”
C.
Labell.Text= “演示示例”
D.
Labell.Name = “演示示例”
查看完整题目与答案
【单选题】如要编程实现:如果 R1 大于或等于 R2,那么程序向后跳转至“LABELl” 程序段,下面语句中正确的是( )。
A.
GOTOF LABELl
B.
GOTOB LABELl
C.
IF R1>=R2 GOTOF LABELl
D.
IF R1>=R2 GOTOB LABELl
查看完整题目与答案
【单选题】The speaker suggests all of the following EXCEPT______.
A.
writing a speech
B.
using PowerPoint
C.
practicing more
D.
taking minimal notes
查看完整题目与答案
【单选题】The speaker suggests the 'Enigma Variations' because it is ______.
A.
traditional
B.
more melodic
C.
very repetitive
D.
commonly played
查看完整题目与答案
【单选题】At the end of the talk, the speaker suggests that __________.
A.
you stop training in the gym and take a hot bath every day
B.
you keep training without considering a hot bath
C.
you control blood sugar levels with a hot bath if you have type-2 diabetes
D.
you control blood sugar levels under a trainer’s instruction
查看完整题目与答案
【判断题】The speaker suggests that learning a language is easier nowadays
A.
正确
B.
错误
查看完整题目与答案
【单选题】患者王某，男，72岁，因“支气管哮喘”入院。病愈出院后，其床垫消毒宜采用
A.
燃烧法
B.
紫外线灯照射法
C.
流通蒸汽消毒法
D.
含氯消毒剂喷洒法
E.
微波消毒法
查看完整题目与答案
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