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These are my good friends. They are Tom, Jim, Ben and Mary. We are all eleven years old. We are in the same class. We often do a puzzle together after school. We sometimes play football on the school playground with other classmates. On weekends, we often have lots of fun. Now, school is over and it's time to go home. My friends and I are going to go home by bus. We often get home at 5:40 pm.
1．I have three good friends.2．Tom is twelve years old.
3．These students usually do a puzzle together.
4．They are not in the same class.
5．Tom and the other students go home on foot.
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
