搜索
Jack is a schoolboy. He 1.c______ from England. This year, he is thirteen years old. He 2.l_______ in a small town near London. He lives with his grandmother. His parents 3.w____ in London. They come back home to visit Jack at 4.w_______. Jack goes to 5.s____ by bike every day. At school, he likes studying all the 6.l______. He is good at English. He 7.l_______ to the teachers carefully(认真) in class. He works very 8.h_______ at his lessons. After school, he does his 9.h______. He 10.w_______ TV only on Sunday evening. Jack is a good boy and his parents like him.
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
