题目

如图，AB∥CD, ∠3∶∠2＝3∶2，求∠1的度数。   答案：设∠3=3x，∠2=2x       ∵∠3+∠2=180°,       ∴3x+2x=180°       ∴x=36 °      ∴∠2=72°      ∵AB∥CD      ∴∠1=∠2=72° Both rice and wheat ____ grown in that country. A. is               B. are                   C. was           D. has