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【单选题】
(单选)社会发展过程中的主体选择性是指主体以一定的方式在可能性空间所表现的自主性、目的性。这个“可能性空间”( )。
A.
是由人们不能自由选择的生产力等既定条件决定的
B.
是由社会历史过程中的多种随机现象决定的
C.
体现了历史发展中偶然因素的重要作用
D.
体现了历史发展中杰出人物的主观意志
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【单选题】What is the tradional food for Winter solstice?
A.
chicken
B.
rice
C.
dumplings
D.
fish
【简答题】When does winter solstice occur?
【简答题】The Summer Solstice, the Beginning of Winter and the Winter Solstice are some ______________.
【单选题】单相全桥式逆变电路两个桥臂,由四个开关管和四个续流二极管构成,下列说法正确的是( )。
A.
同一桥臂的两个开关管可以同时导通
B.
开关管可反向导通
C.
改变开关切换周期,可改变输出交流电频率
D.
续流二极管的起到为电感电流续流的作用
【判断题】单相全桥式逆变电路两个桥臂,由四个开关管和四个续流二极管构成,同一桥臂的两个开关管可以同时导通。
A.
正确
B.
错误
【单选题】Which of the following statements about Winter Solstice Festival is NOT true?
A.
It’s on December 22 or 23 according to the Chinese lunar calendar.
B.
The Northern hemisphere on this day experiences the shortest daytime and longest nighttime.
C.
As ancient Chinese thought, the yang , or muscular, positive things will become stronger and stronger after this day, so it should be celebrated.
D.
Northern China, people eat dumpling soup on this day; while residents of some other places eat dumplings, saying doing so will keep them from frost in the upcoming winter.
【判断题】把数据 12.565 修约为四位有效数字应为 12.57 。
A.
正确
B.
错误
【单选题】Winter Solstice
A.
小寒
B.
冬至
【单选题】Which of the following customs is NOT for Winter Solstice?
A.
Eating dumplings.
B.
Paying homage to the late relatives.
C.
Getting a haircut.
【多选题】Which of the following customs is for Winter Solstice?
A.
Eating dumplings.
B.
Paying homage to the late relatives.
C.
Getting a haircut.
D.
Counting Nine.
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