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【单选题】
人们通常利用海运和空运向驻留在南极的科学家提供食物。如今,科学家已能通过南极温室(见下图)自己种植蔬菜。南极温室采用无土栽培技术,由自控系统自动控制温度、湿度、灌溉泵和营养液。根据目前设计,南极温室主要生产青菜等产品。据此完成 1—3 题。 与普通温室相比,南极温室A.
结构轻便
B.
能源消耗少
C.
环境污染小
D.
密闭性强
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反馈参考答案：
举一反三
【单选题】With all his work on hand,he to the cinema last night.
A.
mustn’t go
B.
oughtn’t to go
C.
wouldn’t go
D.
shouldn’t have gone
【单选题】Sandy: If I were you, I’d ride a bike to work . Taking a bus during rush hour is really terrible. Sue : Thanks for your advice, but I’ve lost my bike recently. 23 . How does Sue probably get to work? ...
A.
On foot.
B.
By bus.
C.
By bike.
D.
In a car
【简答题】A. She will find a hobby in her spare time. B. She will have a lesson. C. She will go to work. D. She will paint a picture.
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