毛 * * 曾经说过：“我看中国就是靠精耕细作吃饭”。下列哪些_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

毛 * * 曾经说过：“我看中国就是靠精耕细作吃饭”。下列哪些做法符合中国农业“精耕细作”的优良传统

①刀耕火种②江南地区稻麦兼种③使用翻车灌溉④使用曲辕犁[ ]

A．①②③

B．②③④

C．①②④

D．①②③④

答案

答案：B

补全对话，情景问答

根据对话内容，从方框内选择合适的句子补全对话。（有两项多余）

A. What else?
B. Never mind.
C. Yes, we do.
D. No, I haven’t.
E. No. T

he telephone was busy.
F. We are leaving in ten minutes.
G. Yeah. I have put the bag in the car

(F=Father; T=Tom）
F: Has everything been ready, Tom? (1)________
T: Yes, I think so.
F: Have you packed your bag?
T: (2)_________
F: Have you fed the dog?
T: Oh, no. I forgot. I’ll do it now.
F: Have you said goodbye to your teacher?
T: (3)_________
F: Have you brought a guidebook?
T: Do we need to?
F: (4)_________
T: Okay. I’ll take one.
F: (5)_________ Oh yeah, have you watered the plants yet?
T: Mom did it.
F: Now, we are ready. Let’s go!

填空题

齿轮传动装置由大齿轮、小齿轮、（）组成。