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【单选题】
有的概念正确的是
A.
无病就是健康
B.
没有疾病和虚弱
C.
身体上、精神上和社会适应上的完好状态,而不仅仅是没有疾病和虚弱
D.
身体上和精神上的完好状态
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举一反三
【简答题】Threshold frequency for the photoelectric effect on lithium (f=2.93 eV) is _______________. If the the wavelength of the incident light is 380 nm, the stopping potential is _________________.
【单选题】Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace s...
A.
Disable SQL tracing for the APPS tablespace.
B.
Disable logging attributes for the APPS tablespace.
C.
Modify the tablespace to be a dictionary-managed tablespace.
D.
Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.
E.
Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.
【简答题】如果在开机后提示 “CMOS Battery State Low” ,有时可以启动,使用一 段 时间后死机,这种现象大多数时( ) 引起的。
【简答题】如果在开机后提示“CMOS Battery State Low”,有时可以启动,使用一段时间后死机,这种现象大多数是 不足引起的。
【单选题】如果在开机后提示“CMOSBatteryStateLow”,时可以启动,使用一段时间后死机,这种现象大多数是()引起的。
A.
操作系统问题
B.
启动顺序问题
C.
内存错误
D.
CMOS供电不足
【单选题】Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace s...
A.
disable SQL tracing for theAPPS tablespace
B.
disable logging attribute for the APPS tablespace
C.
modify the tablespace to be a dictionary­managed tablespace
D.
increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace
E.
increase the warning threshold value for the tablespace space usage metrics for the APPS tablespace
【单选题】A student hypothesized that sounds of any intensity at a frequency of 105 Hz would be painful for humans to hear. Do the data in the figure support this hypothesis?
A.
Yes, because the threshold of pain is relatively constant with changes in frequency.
B.
Yes, because as frequency increases above 105 Hz, the threshold of pain increases.
C.
No, because humans cannot hear sounds at 105 Hz.
D.
No, because the threshold of pain is relatively constant with changes in frequency.
【单选题】51单片机上电复位后并口P1 ~ P3的值为:
A.
00H
B.
07H
C.
08H
D.
FFH
【简答题】如果在开机后提示“CMOS Battery State Low”,有时可以启动,使用一段时间后死机,这种现象大多数是引起的。
【单选题】【C13】
A.
cost
B.
possibility
C.
frequency
D.
threshold
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