联作耙
参考答案:
机力水田耙多采用将不同部件组合在一起的方法,以加强耙碎和整平土壤的作用,同时又可减少耙地的次数,降低作业成本。这种水田耙叫做联作耙(也叫联合耙)
— We can’t believe that ___little girls can finish much work in a short time.
— I don’t agree with you.
A.so, so, such
B.so, such, such
C.such, so, such
D.such, so, so
卫星估测降水时,当云厚()时,对降水的贡献最大。
A、小于600m
B、大于4600m
C、600-4600m