(一) 听一段对话,回答第1〜2小题。
A. Yes, he is. B. No, he isn't. C. Yes, and he is eating.
A. He is eating a cake. B. He is eating an apple. C. He is eating an orange.
(二) 听一段对话,完成第3〜5小题。
A. sitting down B. standing up C. walking
A. clean the blackboard B. draw on the blackboard C. write on the blackboard
A. drawing B. writing C. playing
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