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【判断题】
厚铸铁件的表面硬度总比内部高.
A.
正确
B.
错误
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举一反三
【单选题】We can infer from the second and third paragraphs that in the 21st century______.
A.
all information is free
B.
digital economy has been the most important
C.
the real 'free' commodity finally shows up
D.
a free cell phone does not exist any more
【单选题】三菱PLC中,中间继电器用什么表示
A.
X
B.
Y
C.
T
D.
M
【单选题】The word ‘work’in the second line of the last paragraph most probably means.
A.
what a student has written at school
B.
what a student has learned at school
C.
what a student has read at school
D.
what a student has achieved academically
【单选题】In the second sentence of Paragraph 1, 'all this' refers to
A.
the habit of napping.
B.
the standardizing of work hours.
C.
the decline of the siesta tradition.
D.
the growth of global capitalism.
【多选题】躯体疾病所致精神障碍的病因包括
A.
脑以外的躯体感染
B.
内分泌及代谢障碍
C.
内脏器官疾病
D.
结缔组织病
【简答题】请翻译划线部分内容 Since 1750 , the world has seen four industrial revolutions. The first one took place in Britain; and China missed the boat . The second one occurred in the latter half of the 19th century; ...
【单选题】PLC中,D表示什么继电器?
A.
状态
B.
辅助
C.
数据
D.
时间
【单选题】____held the 21st Olympics Games in 1976. It is also the second largest French-speaking city in the world.
A.
Montreal
B.
Ottawa
C.
Vancouver
D.
Toronto
【单选题】PLC中,D表示( )继电器。
A.
时间
B.
辅助
C.
数据
D.
状态
【判断题】Diaoshuilou Waterfall in Heilongjiang Province is the only splendid yellow waterfall in the world and the second large st waterfall in China after Huangguoshu Waterfall .
A.
正确
B.
错误
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