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【判断题】
型号为CJX2-1518的接触器一定是直流接触器 。 ( )A.
正确
B.
错误
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举一反三
【单选题】Whatdoes the structural view of language see language?
A.
a system of categories based on the communicative needs of the learner
B.
a communicative tool to build up and maintain social relations between people
C.
a linguistic system made up of various subsystems
D.
a linguistic system and a means for doing things
【单选题】下列关于水污染的危害错误的说法是()。
A.
水污染对人体健康的损害可能是急性的，也可能是长期积累性的
B.
水污染可能造成整体生态环境系统的失衡
C.
农业灌溉用水被污染会造成农产品质量下降，但不影响粮食的食用用途
D.
水污染使本来就相对短缺的淡水资源更显不足
【简答题】What opinion does the structural view hold?
【单选题】What does the structural view of language see language?
A.
A system of categories based on the communicate evaluating A system of categories based on the communicating needs of the learner
B.
A communicating tool to build up the and maintain social relationships between people
C.
A linguistic system made up of various sub systems
D.
A linguistic system and a means for doing things
【单选题】Which of the following teaching method is based on the structural view ?
A.
Audio-lingual approach
B.
Task-based language teaching
C.
Communicative language teaching
【多选题】关于水污染造成的危害,下列说法正确的是
A.
通过饮水或者食物链危害人类健康
B.
使用污水进行灌溉，会影响作物的产量和质量
C.
危害工业生产
D.
容易造成水体富营养化
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