小溪一边奔波,一边玩耍。他一会儿拍拍岸边五颜六色的鹑卵(luǎn)石,一会儿摸摸沙滩上才伸出脑袋来的小草,一会儿让那些漂浮(fú)着的小树叶打个转儿,一会儿蹦着跳着和小鱼做游戏。
1.如果用一个词来形容小溪,下面的词语中,( )最合适。A.顽皮 | B.美丽 | C.热情 |
拍鹅卵石 _______ _____ ____
3.发挥想象写一写:小溪还会怎样玩?
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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

