大夫好!今天看病的人太多了,我排了好长时间队才看上。我是你们医院的老病号了,这么多年我的高血压和糖尿病一直是在你们医院看的,好多年前有一次扭伤了脚踝,也是在你们这儿看好的,您可得给我好好看看。是这么回事儿。昨天晚上我老闺女来家里,我们一起吃的晚饭。吃过饭看着电视,我就开始头疼,先是头顶一圈疼,一跳一跳的,后来整个头都疼。我试了很多办法,一会儿躺着,一会儿坐着,大口喘气,戴上帽子捂着,都没有用。闺女要带我来医院,我说天太冷了,明天可能就好了,明天再说吧,然后就睡觉了。今天早上醒了还疼,头也不敢动,一晃就更疼了,就赶紧来医院了。
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同类型试题
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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
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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
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