问答题

控制三要素指[填空(1)] 、[填空(2)] 和[填空(3)] 。

答案：传感器/变送器；控制器；执行器

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项目七专家人数的多少要视预测课题的大小而定，一般以3～5人为宜。

答案：错误

单项选择题

The new literary trend of critical realism appeared from the thirties of the 19th century, when the struggle between the workers and capitalists became the fundamental contradiction in English social life.（）

A．对
B．错