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【简答题】
计算由 0.1mol/L 的 HAc 和 0.1mol/L 的 NaAc 组成的缓冲溶液 pH ?若将上述缓冲溶液用水稀释 10 倍, 则溶液的 pH 为多少?( PKa = 4.76 )
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【单选题】在竞技体育的构成中,哪一部分是竞技体育与社会发生关联,并作用于社会的媒介?
A.
运动选材
B.
运动训练
C.
运动竞赛
D.
竞技体育管理
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【单选题】对于下列Test.java下列哪个叙述是正确的?
A.
出现编译错误
B.
程序输出的结果是hello你好
C.
程序输出的结果是ok
D.
程序输出的结果是okyes
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【简答题】用适当的单词完成下列句子(不能改变原句的意思) Mr. Smith has been a teacher for five years. It has been five years Mr. Smith became a teacher. He spends an hour going to school every day. It him an hour to go to school ever...
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【单选题】命令如下,其运行结果正确 的是: ?ctod("03/01/20")+10
A.
03/11/20
B.
03/01/30
C.
03/01/20+10
D.
13/01/20
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【单选题】He declined the invitation partly because he was busy and .
A.
for lack of money
B.
partly because his lack of money
C.
partly because he lacked money
D.
partly his lack of money
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【单选题】He arranged ____ a man to meet his uncle at the station because he was busy with work.
A.
of
B.
for
C.
/
D.
with
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【单选题】Because he is busy making money now, he is ______ of new developments in his original field.
A.
ignorant
B.
innocent
C.
illiterate
D.
negligent
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【单选题】在对猪胴体进行分割时，按我国的划分标准：将猪胴体的从最后腰椎与荐椎结合部和背线成直角切断的肉是
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肩颈肉
B.
臀腿肉
C.
背腰肉
D.
肋腹肉
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【单选题】岩体力学的研究内容不正确的是()
A.
岩体的地质力学模型及特征方面
B.
岩石与岩体的物理力学性质方面
C.
岩体力学在各类工程上应用方面
D.
岩体力学的发展方面
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【单选题】Why didn't he go to see the doctor immediately?
A.
Because he is too busy with his work.
B.
Because he feels unsure about his symptoms.
C.
Because he ignores the severity of the symptoms.
D.
Because he hates to see the doctor.
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相关题目：
【单选题】在竞技体育的构成中,哪一部分是竞技体育与社会发生关联,并作用于社会的媒介?
A.
运动选材
B.
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C.
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【单选题】对于下列Test.java下列哪个叙述是正确的?
A.
出现编译错误
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C.
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D.
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【简答题】用适当的单词完成下列句子(不能改变原句的意思) Mr. Smith has been a teacher for five years. It has been five years Mr. Smith became a teacher. He spends an hour going to school every day. It him an hour to go to school ever...
查看完整题目与答案
【单选题】命令如下,其运行结果正确 的是: ?ctod("03/01/20")+10
A.
03/11/20
B.
03/01/30
C.
03/01/20+10
D.
13/01/20
查看完整题目与答案
【单选题】He declined the invitation partly because he was busy and .
A.
for lack of money
B.
partly because his lack of money
C.
partly because he lacked money
D.
partly his lack of money
查看完整题目与答案
【单选题】He arranged ____ a man to meet his uncle at the station because he was busy with work.
A.
of
B.
for
C.
/
D.
with
查看完整题目与答案
【单选题】Because he is busy making money now, he is ______ of new developments in his original field.
A.
ignorant
B.
innocent
C.
illiterate
D.
negligent
查看完整题目与答案
【单选题】在对猪胴体进行分割时，按我国的划分标准：将猪胴体的从最后腰椎与荐椎结合部和背线成直角切断的肉是
A.
肩颈肉
B.
臀腿肉
C.
背腰肉
D.
肋腹肉
查看完整题目与答案
【单选题】岩体力学的研究内容不正确的是()
A.
岩体的地质力学模型及特征方面
B.
岩石与岩体的物理力学性质方面
C.
岩体力学在各类工程上应用方面
D.
岩体力学的发展方面
查看完整题目与答案
【单选题】Why didn't he go to see the doctor immediately?
A.
Because he is too busy with his work.
B.
Because he feels unsure about his symptoms.
C.
Because he ignores the severity of the symptoms.
D.
Because he hates to see the doctor.
查看完整题目与答案