(______)1. have a picnic
A.当心
(______)2. be careful
B.飞走
(______)3. start to snow
C.带回
(______)4. have a birthday party
D.犯错
(______)5. bring back
E.举办生日聚会
(______)6. fly away
F.开始下雪
(______)7. on the phone
G.到处,遍及
(______)8. make mistakes H.一些种子
(______)9. all over I.打电话
(______)10. some seeds J.野餐
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