从地铁站出来,外面蓝天白云,秋高气爽。建筑物上的国旗迎风飘扬,马路边的鲜花分外明丽。我和立明都特别高兴。真的,比买了全套《丁丁历险记》、又吃了麦当劳还高兴。
1.用“____”画出这段话中环境描写的句子。这段话中的环境描写有什么作用?
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2.立明和“我”没吃麦当劳,也没有买《丁丁历险记》,为什么“特别高兴”?
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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