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Dear mum .
Last weekend we ________ the London Eye. We took a bus and then ________ to the London Eye. I ______ many photos at the London Eye. We ________ a picnic yesterday. We _________ to the supermarket and _______ 5 apples,1 kilo of noodles and 4 bottles of juice. ____________ not enough milk. So we bought 2 boxes of milk , too. Tom ________his cap in the picnic. He ________ very sad. Ms Smart bought a new cap for him. We _____________ ourselves.
Love from. Lingling
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
