【简答题】Fill in the blanks with the words given below. change the forms where necessary. each word can be used only once. unpredictable spur anticipate disrupt persistence mishap ...
【判断题】日光温室是我国北方冬季栽培瓜菜果菜的主要设施类型,保温性能佳。
【单选题】______是我国具有显著特色的保护设施,是我国北方地区适用于育苗和栽培的主要温室类型。
【简答题】黄芪的功效是( )、( )、( )、( )、( )。
【单选题】. Everything is changing so fast these days, even young people find it difficult to ____the time. A. get hold of B. be covered with C. get along with D. keep up with