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【单选题】
若在查询条件中使用了通配符"!",它的含义是
A.
通配任意长度的字符
B.
通配不在括号内的任意字符
C.
通配方括号内列出的单个字符
D.
错误的使用方法
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参考答案：
举一反三
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
Cigarette smoking appears to have a much greater effect than cigar or pipe smoking.
B.
Current research indicates a causal relationship between all forms of smoking and cancer of blood.
C.
All tobacco smoking affects life expectancy and health.
D.
Filters （过滤嘴） and low tar tobacco are claimed to make smoking to some extent safer.
查看完整题目与答案
【单选题】( 01101000 ) 8421 码对应的的十进制数是 。
A.
68
B.
26
C.
40
D.
102
查看完整题目与答案
【单选题】被世人称为“诗佛”的诗人是哪一位?( )
A.
王维
B.
王安石
C.
白居易
D.
李白
查看完整题目与答案
【单选题】与(01101000) 8421 对应的十进制数是( )。
A.
24
B.
68
C.
105
D.
38
查看完整题目与答案
【判断题】对于一定的干球温度的空气，当其相对湿度愈低时，则其湿球温度愈低。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Fill in the blanks with the right words or expressions. formidable, autonomy, give way to, permeate, substantial, proximity, next to impossible, pivotal, be subject to, incursion 1) The findi...
查看完整题目与答案
【单选题】（68)D 所对应的二进制数和 8421BCD 码为
A.
0100010B，（01101000）8421BCD
B.
01000100B，（01101）8421BCD
C.
01000100B，（01101000）8421BCD
D.
01000100B，（1101000）8421BCD
查看完整题目与答案
【单选题】从源设备到目的设备之间有两跳,使用 tracert 命令检测路径。检测第一跳时,源设备发送一个 TTL 为 1 的 UDP 报文到中间一跳;检测第二跳时,源设备发送一个 TTL 为 2 的 UDP 报文,报文首先到达中间一跳, TTL 递减为 1,当该报文到达目的后,TTL 将递减为 0,这时目的设备将发送一个 ICMP______消息给源, 告知源设备其已经跟踪到目的地址。
A.
Time Exceeded
B.
Echo Request
C.
Echo Reply
D.
Port Unreachable
查看完整题目与答案
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
About seven thousand million Italians smoke cigarettes every year.
B.
5,195 cigarettes are smoked every year in America.
C.
It is estimated that 55% of Italian men smoke compared with 38% of Italian women.
D.
Female smokers breathe in the smoke as deeply as men do.
查看完整题目与答案
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
gases
B.
vaporized chemicals
C.
minute particles of ash
D.
water
查看完整题目与答案
相关题目：
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
Cigarette smoking appears to have a much greater effect than cigar or pipe smoking.
B.
Current research indicates a causal relationship between all forms of smoking and cancer of blood.
C.
All tobacco smoking affects life expectancy and health.
D.
Filters （过滤嘴） and low tar tobacco are claimed to make smoking to some extent safer.
查看完整题目与答案
【单选题】( 01101000 ) 8421 码对应的的十进制数是 。
A.
68
B.
26
C.
40
D.
102
查看完整题目与答案
【单选题】被世人称为“诗佛”的诗人是哪一位?( )
A.
王维
B.
王安石
C.
白居易
D.
李白
查看完整题目与答案
【单选题】与(01101000) 8421 对应的十进制数是( )。
A.
24
B.
68
C.
105
D.
38
查看完整题目与答案
【判断题】对于一定的干球温度的空气，当其相对湿度愈低时，则其湿球温度愈低。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Fill in the blanks with the right words or expressions. formidable, autonomy, give way to, permeate, substantial, proximity, next to impossible, pivotal, be subject to, incursion 1) The findi...
查看完整题目与答案
【单选题】（68)D 所对应的二进制数和 8421BCD 码为
A.
0100010B，（01101000）8421BCD
B.
01000100B，（01101）8421BCD
C.
01000100B，（01101000）8421BCD
D.
01000100B，（1101000）8421BCD
查看完整题目与答案
【单选题】从源设备到目的设备之间有两跳,使用 tracert 命令检测路径。检测第一跳时,源设备发送一个 TTL 为 1 的 UDP 报文到中间一跳;检测第二跳时,源设备发送一个 TTL 为 2 的 UDP 报文,报文首先到达中间一跳, TTL 递减为 1,当该报文到达目的后,TTL 将递减为 0,这时目的设备将发送一个 ICMP______消息给源, 告知源设备其已经跟踪到目的地址。
A.
Time Exceeded
B.
Echo Request
C.
Echo Reply
D.
Port Unreachable
查看完整题目与答案
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
About seven thousand million Italians smoke cigarettes every year.
B.
5,195 cigarettes are smoked every year in America.
C.
It is estimated that 55% of Italian men smoke compared with 38% of Italian women.
D.
Female smokers breathe in the smoke as deeply as men do.
查看完整题目与答案
【单选题】Passage 2Italians smoke seven thousand million cigarettes every year (1987 figures). This is roughly the equivalent of 5,195 cigarettes a year for every person in the country of 20 years of age or mor...
A.
gases
B.
vaporized chemicals
C.
minute particles of ash
D.
water
查看完整题目与答案
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