A:千里之堤毁于蚁穴
B:在沙地上栽种植物,能防风固沙
C:春江水暖鸭先知
D:枯叶蝶的外形像枯叶
利用简便方法计算:391314×(﹣14)
A. Red is my favourite colour.
B. What time does the party begin?
C. That sounds interesting.
D. It's on 5th January.
E. Can you come to my birthday party, Linda?
Peter: ____
Linda: Sure. When's your birthday?
Linda: ____
Peter: It begins at half past six in the evening.
Linda: OK.
Peter: Please bring some red things to the party. It's a "red party". ____Linda: A “red party”? ____ I can't wait.
身高为170cm的同学距平面镜3m,则他的像距他本人____ m,像的高度为____ m,当他以1m/s的速度靠近平面镜时,他在镜中的像以____ m/s的速度向他走来,像的大小将____ (填“变大”、“变小”或“不变”).