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【判断题】
该例文是否主旨正确 ××五金厂关于加强安全保卫工作的通告 近来,我厂连续发生盗窃、斗殴和小型失火事故。有数位职工被歹徒打伤,财物损失数万元,为保证工厂的正常生产秩序,特作如下通知: 一、凡是本厂职工进入厂门,均要佩带标志,否则作违反厂纪处理,扣发奖金。 二、外来人员进入工厂时,必须持所属单位介绍信或证件登记,出厂时,应接受行李物品,甚至搜身检查。 三、来客投宿,有关人员应报厂保卫科批准。在此期间,如厂内发生盗窃、失火事故,来客不准离开工厂,并要集中接受审查。 四、厂内职工离开车间或办公室,门窗,以防小盗破门而入。 通告自××××年二月八日生效。凡自觉执行本通告的给予表彰,拒不执行者予以经济处罚或行政处分。 ××××年二月一日
A.
正确
B.
错误
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举一反三
【单选题】已知某放大电路的开路输出电压为5V,短路输出电流为2mA,则可得电路的输出电阻为:
A.
1kΩ
B.
1.5kΩ
C.
2kΩ
D.
2.5kΩ
【单选题】Which of the following modulations is for the VHF radio telephone?
A.
G3E
B.
F3E
C.
G2B
D.
F1B
【判断题】生产关系对生产力有反作用,因而变革生产关系就能促进生产力的发展。( )
A.
正确
B.
错误
【简答题】Which of the following radio installations isnot required by ships when sailing in sea areaA2?A. VHF. B. MF. C. EPIRB. D. HF
【单选题】Which of the following facts from the selection best supports the statement that the radioactive waste is an unsolved problem?
A.
We have already generated over 10,000 tons of nuclear waste.
B.
Radioactivity could be released into the environmental from activities related to mining and processing nuclear fuel.
C.
Only a part of nuclear fuel is fissionable.
D.
A location for stainless steel tanks containing 'high-level liquid waste' mixed with molten glass has not been found.
【单选题】Once ARQ communication with the coast radio station has been establ/shed, which of the following exchanges will most likely take place?
A.
The vessel then requests the coast radio station's selcall so that communication can be set up on the appropriate working channel. ’
B.
Since communication has akeady shifted to the working channel, the vessel then transmits the subscriber number and text of the message to be sent for the coast radio station to store and forward.
C.
After exchanging answerbacks with the vessel, the coast radio station transmits.c GA+".
D.
After exchanging answerbacks with the coast radio station, the vessel transmits“GA+”.
【简答题】简答中心性发绀和周围性发绀的鉴别要点
【单选题】中心性发绀和周围性发绀的鉴别点是
A.
加温或按摩是否改善
B.
颜色不同
C.
位置不同
D.
性质不同
【单选题】Which of the following characteristics of radio galaxies is mentioned in the passage?
A.
They are a type of elliptical galaxy.
B.
They are usually too small to be seen with a telescope.
C.
They are closely related to irregular galaxies.
D.
They are not as bright as spiral galaxies.
【判断题】中医倡导的是一种“天人感应”的身体观。
A.
正确
B.
错误
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