田间内可按规定间种物类,不应在地边种植豆类和(),地头3米内必须做到无杂草。
A、高杆作物
B、甜菜
C、胡萝卜
D、土豆
参考答案:A
选词填空。
1. The is a circle. (sun, window)
2. It's always in spring. (snowy, rainy)
3. Three make a . (lines, triangle)
4. It is winter now. It's cold . (inside, outside)
5. My favourite is a . (circle, shape)
6. I don't have a favourite shape. I like the shapes.( both, all)
某企业建一项目,建设期2年,可以使用5年,每年收益500万元,假设年利率为10%,则该项目收益现值为()万元。(P/A,10%,7)=4.8684;(P/A,10%,2)=1.7355)
A.1995
B.1566
C.18136
D.1423