(1)什么是复眼?
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(2)在思考复眼怎样看东西这个问题时,作者用了“琢磨”一词,说明了什么?
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(3)有复眼的昆虫有什么特点?
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(4)读句子,体会作者的喜与恶?
句子:我说,吃马铃薯嫩叶的瓢虫,你们就不能改改口味,也吃蚜虫吗?
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(5)作者如何说明独角仙的力气很大?
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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