皮皮学,免费搜题
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【单选题】
假设可支配收入增加50美元,消费支出增加45美元,那么边际消费倾向是( )。
A.
0.05
B.
0.10
C.
0.90
D.
1.00
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参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】Why would you execute the report obsolete command?()
A.
To list all backups that were no longer available for restore operations
B.
To list all backups that had aged beyond the RMAN retention criteria
C.
To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media
D.
To list all datafiles that are no longer part of the database and thus do not need to be backed up
E.
To list all archived redo logs that are no longer needed for any database recovery
查看完整题目与答案
【单选题】菌群失调性腹泻常见的病因是
A.
细菌、真菌、病毒、寄生虫感染
B.
直肠或结肠溃疡、肿瘤或炎症
C.
肠道正常细菌的数量或比例失去平衡
D.
外界的各种刺激,如受寒、过食辛辣食物等
E.
消化不良,吸收不良或暴饮暴食而起
查看完整题目与答案
【单选题】I asked the teacher if there an English test the next day.
A.
would be
B.
will be
C.
will have
D.
would have
查看完整题目与答案
【单选题】After the recovery is complete, which command should you execute?()
A.
ALTER DATABASE OPEN;
B.
ALTER DATABASE CLEAR LOGFILE;
C.
ALTER DATABASE OPEN RESETLOGS;
D.
ALTER DATABASE OPEN NORESETLOGS;
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【单选题】If I had met our Math teacher, I ______ him about the problem. [ ]
A.
would ask
B.
would have asked
C.
asked
D.
must have asked
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【单选题】酶催化反应的机理
A.
改变平衡常数
B.
增加底物浓度
C.
改变反应条件
D.
降低反应活化能
查看完整题目与答案
【单选题】酶催化反应的机理是
A.
降低反应的活化能
B.
降低反应的自由能
C.
增加反应的自由能
D.
增加底物的热能
E.
降低产物的热能
查看完整题目与答案
【单选题】菌群失调性腹泻常见的病因是
A.
细菌、真菌、病毒、寄生虫感染
B.
直肠或结肠溃疡、肿瘤或炎症
C.
肠道正常细菌的数量或比例失去平衡
D.
外界的各种刺激,如受寒、过食辛辣食物等
查看完整题目与答案
【单选题】酶催化反应的机理是
A.
降低反应的活化能
B.
降低反应的自由能
C.
增加底物的热能
D.
增加反应的自由能
查看完整题目与答案
【单选题】He has promised to help you and I'm sure he will keep his _ . [ ]
A.
saying
B.
sentence
C.
word
D.
statement
查看完整题目与答案
相关题目:
【单选题】Why would you execute the report obsolete command?()
A.
To list all backups that were no longer available for restore operations
B.
To list all backups that had aged beyond the RMAN retention criteria
C.
To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media
D.
To list all datafiles that are no longer part of the database and thus do not need to be backed up
E.
To list all archived redo logs that are no longer needed for any database recovery
查看完整题目与答案
【单选题】菌群失调性腹泻常见的病因是
A.
细菌、真菌、病毒、寄生虫感染
B.
直肠或结肠溃疡、肿瘤或炎症
C.
肠道正常细菌的数量或比例失去平衡
D.
外界的各种刺激,如受寒、过食辛辣食物等
E.
消化不良,吸收不良或暴饮暴食而起
查看完整题目与答案
【单选题】I asked the teacher if there an English test the next day.
A.
would be
B.
will be
C.
will have
D.
would have
查看完整题目与答案
【单选题】After the recovery is complete, which command should you execute?()
A.
ALTER DATABASE OPEN;
B.
ALTER DATABASE CLEAR LOGFILE;
C.
ALTER DATABASE OPEN RESETLOGS;
D.
ALTER DATABASE OPEN NORESETLOGS;
查看完整题目与答案
【单选题】If I had met our Math teacher, I ______ him about the problem. [ ]
A.
would ask
B.
would have asked
C.
asked
D.
must have asked
查看完整题目与答案
【单选题】酶催化反应的机理
A.
改变平衡常数
B.
增加底物浓度
C.
改变反应条件
D.
降低反应活化能
查看完整题目与答案
【单选题】酶催化反应的机理是
A.
降低反应的活化能
B.
降低反应的自由能
C.
增加反应的自由能
D.
增加底物的热能
E.
降低产物的热能
查看完整题目与答案
【单选题】菌群失调性腹泻常见的病因是
A.
细菌、真菌、病毒、寄生虫感染
B.
直肠或结肠溃疡、肿瘤或炎症
C.
肠道正常细菌的数量或比例失去平衡
D.
外界的各种刺激,如受寒、过食辛辣食物等
查看完整题目与答案
【单选题】酶催化反应的机理是
A.
降低反应的活化能
B.
降低反应的自由能
C.
增加底物的热能
D.
增加反应的自由能
查看完整题目与答案
【单选题】He has promised to help you and I'm sure he will keep his _ . [ ]
A.
saying
B.
sentence
C.
word
D.
statement
查看完整题目与答案