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It’s Mid-autumn Day today. It’s cool. Tracy and her father and mother are in the yard(庭院). They watch the beautiful moon in the sky. It’s an “O”. It’s big and bright. There is a table in the yard. It’s not big. There are some mooncakes and sweets on the dish. There are some apples and pears on the table. They can eat the food and guess some riddles. They are very happy.
1．Today is Mid-autumn Day. （_____）
2．Tracy and her grandparents are in the yard. （_____）
3．The beautiful moon is an “O” today. （_____）
4．There is a big table in the yard. （_____）
5．They can eat some mooncakes and fruit. （_____）
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
