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【单选题】
中国古人用 “天色纪时法”将一昼夜划分为十二个时辰,它们的名称是:夜半、鸡鸣、平旦、日出、食时、隅中、日中、日昳、晡时、日入、黄昏、人定。从夜晚 23 时至凌晨 01 时开始第一个时辰,依次循环。下面根据天色的变化理解的时辰正确的是:( ) 1《孔雀东南飞》:“鸡鸣入机织,夜夜不得息。”句中“鸡鸣”是凌晨 01 时至 03 时; 2《孔雀东南飞》:“奄奄黄昏后,寂寂人。” 句中“黄昏”是晚上 19 时至 21 时,“人定”是夜晚 23 时至凌晨 01 时; 3《愬雪夜入蔡州》:“夜半雪愈急”,句中“夜半”是夜晚 23 时至凌晨 01 时; 4《愬雪夜入蔡州》:“晡时,门坏”,句中“晡时”是下午 17 是至 19 时。A.
①②
B.
①③
C.
②③
D.
③④
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举一反三
【单选题】18MnMoNb焊前预热温度为( )。
A.
<100℃< /div>
B.
50~100℃
C.
150℃~200℃
D.
80~120℃
【单选题】What are the problems of Youth Hostels?
A.
No privacy.
B.
No food supply or water.
C.
Terrible living condition.
D.
Theft and sleeping difficulty.
【单选题】Which of the following is not mentioned as the difference between hostels and hotels?
A.
Hotels are usually larger than hostels.
B.
Hostels are cheaper and more informal than hotels.
C.
Hostels provide more adventurous travel than hotels.
D.
There is less privacy in a hostel than a hotel.
【单选题】Why do young people, especially backpackers, prefer hostels to hotels?
A.
Because hostels are more infomal than hotels.
B.
Because there are more opportunities for younle to socialize.
C.
Because hostels provide more adventurous travel than hotels.
D.
Because there is less privacy in a hostel than a hotel.
相关题目：
【单选题】18MnMoNb焊前预热温度为( )。
A.
<100℃< /div>
B.
50~100℃
C.
150℃~200℃
D.
80~120℃