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【单选题】
“可靠性高、无放射性、寿命长、结构紧凑”是属于哪种探测器的性能特点?A.
点型感温探测器
B.
缆式线型感温探测器
C.
点电感烟探测器
D.
点型离子感烟探测器
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举一反三
【简答题】Germany is first in the world and it is also the main exporter of _________.
【简答题】经营者不得从事哪些有奖销售？
【简答题】零售经营者不得经营和储存___、___、___。
【单选题】Which is NOT true?A．Now in Germany，the teleshopping is more developed than that las
A.
28． Which is NOT true? A．Now in Germany，the teleshopping is more developed than that last year．
B.
The French spend a lot of money to buy things by teleshopping，
C.
Some big companies in Sweden are selling things by teleshopping
D.
Americans are the first to buy things through teleshopping．
【单选题】———— from Germany is the first person to invent the lead type in Europe and help the development to the Renaissance.
A.
Shakespear from England
B.
Thomas More from England
C.
n Johannes Gutenberg from Germany
D.
Jack London from the USA
【单选题】The paragraph below is missing a topic sentence. After reading the incomplete paragraphs, choose the topic sentence that best unifies the paragraph . The First World War had already demonstrated the d...
A.
When the world found itself in the middle of a second world war, technological power once again translated into war-time advantage .
B.
The atomic bomb was both a blessing and a curse .
【简答题】道路旅客运输经营者不得（），不得甩客、敲诈旅客，不得擅自更换运输车辆。
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