1.B2
fill up a vacancy
7.-4 8.(0,-2) 9.y = 2000+200 x 10. 1.60 1.4,-4 12.b 13。 The higher the temperature, the more power consumption.
15. (1,1)16. Go along the number 72.
How many schools in Suzhou Institute of Education have this name?
You are talking about the same school, not the self-study exam, and