The family (1) __________ (has) dinner and we eat jiaozi a kind of (2) __________ (dumpling), (3) __________ (or) a sweet rice pudding at the Spring Festival. We (4)__________ (watch) TV and at midnight there (5) __________ (be) usually fireworks. We (6) __________ (not clean) the house for a few days. We don’t (7) __________ (want) to sweep away (8) __________ (well) luck. And we (9) __________ (has) lots of (10) __________.
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