请听第一段对话,回答第1、2小题。
A. watering B. planting C. counting
A. in spring B in summer C in autumn
请听第二段对话,回答第3、4小题。
A. plants B. animals C. trees
A. cabbages and pandas B. peanuts and tomatoes C. tomatoes and balls
请听第三段对话,回答第5、6小题。
A. two B. three C. four
A. every Chinese New Year B. every summer C. every Friday
请听第四段对话,回答第7、8小题。
A. a pianist B. a teacher C. a writer
A. writing stories B. doing sports C. making things

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

