【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
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
【判断题】稀释平板测数时,无论是用混菌法,还是用涂抹法,每个平皿中的菌液加入量都是0.1ml。
【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?
C.
Task -based language teaching
D.
Communicating language teaching
【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
【单选题】设立酸雨监测点 , 可以了解酸雨的发生时间、危害程度 , 以及对水源水质造成的影响等情况。关于空气污染 , 下列说法正确的是
A.
二氧化硫、二氧化氮、一氧化碳和二氧化碳是大气主要污染物
D.
秸秆焚烧总体来说对庄稼是有益的 , 值得提倡
【判断题】稀释平板测数时, 无论是用混菌法, 还是用涂抹法, 每个平皿中的菌液加入量都是 0.1mL 。
【判断题】稀释平板测数时, 无论是用混菌法, 还是用涂抹法, 每个平皿中的菌液加入量都是 1mL 。