皮皮学，免费搜题
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搜题
【单选题】
用 pH计测溶液的pH属于( )
A.
直接电位法
B.
电流滴定法
C.
电位滴定法
D.
永停滴定法
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举一反三
【单选题】河北省的( )产量居全国第一。
A.
苹果
B.
葡萄
C.
桃子
D.
板栗
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【多选题】河北省,( )的产量居全国第一。
A.
苹果
B.
梨
C.
甘草
D.
板栗
E.
枸杞
查看完整题目与答案
【多选题】以下为可控媒介的是( )
A.
内部刊物
B.
营销信息
C.
DM
D.
广播
查看完整题目与答案
【单选题】Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: Which statem...
A.
ALTER DATABASE DROP LOGFILE GROUP 1;
B.
ALTER DATABASE CLEAR LOGFILE GROUP 1;
C.
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D.
ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG';
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【单选题】In which mode should an urgency communication from one station to all stations by direct printing telegraphy normally be established?
A.
CFEC.
B.
SFE
C.
ARQ.
D.
SSB RT.
查看完整题目与答案
【单选题】If a BJT is used as an amplifier, which mode should it work in?
A.
active mode
B.
saturation mode
C.
cutoff mode
D.
reverse active mode
查看完整题目与答案
【单选题】Which command should an administrator use to put a system in maintenance mode without rebooting?（）
A.
init 0
B.
telinit m
C.
shutdown -FM
D.
sh /etc/rc.maint
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【单选题】In which mode should urgency communication “to all stations” by direct printing telegraphy normally be established?
A.
FEC mode at a good propagation only possible
B.
ARQ mode
C.
FEC mode
D.
FEC mode， the ARQ mode may also be used
查看完整题目与答案
【多选题】河北省的（   ）产量居全国第一位
A.
板栗
B.
苹果
C.
葡萄
D.
梨
查看完整题目与答案
【多选题】河北省土特产品中,产量居全国第一的有()
A.
宜化龙眼葡萄
B.
深州蜜桃
C.
坝上口蘑
D.
坝上香蘑
E.
坝上草蘑
查看完整题目与答案
相关题目：
【单选题】河北省的( )产量居全国第一。
A.
苹果
B.
葡萄
C.
桃子
D.
板栗
查看完整题目与答案
【多选题】河北省,( )的产量居全国第一。
A.
苹果
B.
梨
C.
甘草
D.
板栗
E.
枸杞
查看完整题目与答案
【多选题】以下为可控媒介的是( )
A.
内部刊物
B.
营销信息
C.
DM
D.
广播
查看完整题目与答案
【单选题】Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: Which statem...
A.
ALTER DATABASE DROP LOGFILE GROUP 1;
B.
ALTER DATABASE CLEAR LOGFILE GROUP 1;
C.
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D.
ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG';
查看完整题目与答案
【单选题】In which mode should an urgency communication from one station to all stations by direct printing telegraphy normally be established?
A.
CFEC.
B.
SFE
C.
ARQ.
D.
SSB RT.
查看完整题目与答案
【单选题】If a BJT is used as an amplifier, which mode should it work in?
A.
active mode
B.
saturation mode
C.
cutoff mode
D.
reverse active mode
查看完整题目与答案
【单选题】Which command should an administrator use to put a system in maintenance mode without rebooting?（）
A.
init 0
B.
telinit m
C.
shutdown -FM
D.
sh /etc/rc.maint
查看完整题目与答案
【单选题】In which mode should urgency communication “to all stations” by direct printing telegraphy normally be established?
A.
FEC mode at a good propagation only possible
B.
ARQ mode
C.
FEC mode
D.
FEC mode， the ARQ mode may also be used
查看完整题目与答案
【多选题】河北省的（   ）产量居全国第一位
A.
板栗
B.
苹果
C.
葡萄
D.
梨
查看完整题目与答案
【多选题】河北省土特产品中,产量居全国第一的有()
A.
宜化龙眼葡萄
B.
深州蜜桃
C.
坝上口蘑
D.
坝上香蘑
E.
坝上草蘑
查看完整题目与答案