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【单选题】
世界上第一台商用相机是由谁设计的:
A.
尼埃普斯
B.
.达盖尔
C.
贝亚尔
D.
塔尔博特
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参考答案：
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【判断题】自动准同步装置输出的调压脉冲，作用于发电机的自动调节励磁装置，通过改变励磁电压达到调节发电机电压的目的。
A.
正确
B.
错误
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.
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】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.
form deposits at last
B.
enter our hearts and vessels through blood
C.
stay in the heart for a long time
D.
hold together to form black tar, which contains nicotine
查看完整题目与答案
【简答题】Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once. spill out pull away make up for at the time in a new light to sb.'s r...
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【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.
The effect of cigarette smoking on health is not so much.
B.
Smokers would often die from lung cancer.
C.
We should not neglect the bad influence of smoking, so don’t smoke or don’ t start to.
D.
More and more physicians and research workers are less sure of the effect of cigarette smoking on health.
查看完整题目与答案
【单选题】The findings show ________ general ________ that the same problem begins sooner in the country than in towns.
A.
in…terms
B.
by…means
C.
got through
D.
passed through
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【单选题】( 01101000 ) 8421 对应的十进制数为( )。
A.
24
B.
38
C.
105
D.
68
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【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
【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
相关题目：
【判断题】自动准同步装置输出的调压脉冲，作用于发电机的自动调节励磁装置，通过改变励磁电压达到调节发电机电压的目的。
A.
正确
B.
错误
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.
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】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.
form deposits at last
B.
enter our hearts and vessels through blood
C.
stay in the heart for a long time
D.
hold together to form black tar, which contains nicotine
查看完整题目与答案
【简答题】Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once. spill out pull away make up for at the time in a new light to sb.'s r...
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.
The effect of cigarette smoking on health is not so much.
B.
Smokers would often die from lung cancer.
C.
We should not neglect the bad influence of smoking, so don’t smoke or don’ t start to.
D.
More and more physicians and research workers are less sure of the effect of cigarette smoking on health.
查看完整题目与答案
【单选题】The findings show ________ general ________ that the same problem begins sooner in the country than in towns.
A.
in…terms
B.
by…means
C.
got through
D.
passed through
查看完整题目与答案
【单选题】( 01101000 ) 8421 对应的十进制数为( )。
A.
24
B.
38
C.
105
D.
68
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
【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
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