搜索
Cindy is a dancer. She will be very busy next week. On Monday she is having lunch with her high school friends at 2 P.M. She is having a music class at 10 A.M. on Tuesday. On Wednesday she is flying to Shanghai at 4 P.M. On Thursday she is working out at the gym. On Friday she is buying some clothes. She is playing tennis with Peter at 9 A.M. On Saturday. And on Sunday she is going to the beach with her family. What a busy week!(1)Cindy is having dinner with her high school friends at 2 P.M. on Monday.(2)On Tuesday she is having a music class.(3)She is going shopping on Friday.(4)She is playing basketball with Peter at 9 A.M. on Saturday.(5)She is having a free week.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
