A:40s
B:8min
C:1h
D:4h
如图,量得∠1=80°,∠2=100°,可以判定AB∥CD,它的根据是什么?
—Yes. Though it's a little expensive, it really has good quality.
按课文内容填空
____在前面带路,____吹向我们。我们像____一样,来到____里,来到____上。
既为世界文化遗产,又是我国园林艺术典范的是( )