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【单选题】
To use chemicals and fertilizers means ______.
A.
to increase the amount of foods
B.
to increase the quality of foods
C.
to increase the amount and quality of foods
D.
to increase essential vitamins and minerals
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【单选题】PLC中的输出继电器用(    )表示。
A.
X
B.
C
C.
M
D.
Y
【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】躯体疾病所致的精神障碍的处理原则以下哪项不对()
A.
治疗的原则是病因治疗和对症治疗并重
B.
首先必须治疗引起精神障碍的原发躯体疾病
C.
支持疗法包括维持水电解质平衡、充足的营养供应等
D.
对精神症状的控制应遵从大剂量、足疗程的原则
E.
要考虑治疗药物对病人的副作用
【单选题】PLC中的输入继电器用( )表示。
A.
A
B.
X
C.
Y
D.
Z
【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; ...
【简答题】阅读理解。 A teacher of English as a second language is the 2004 Teacher of the Year in the United States. Kathy Mellor of Rhode Island will spend the next year as an international spokeswoman for educatio...
【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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