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| A. This article shows that autumn is becoming the best time of a year in Beijing. With cooler weather and golden falling leaves, you are sure to have a relaxing time. B. Holidays are a fantastic time to enjoy yourself with a good film. This article introduces your wonderful latest film shown in Shenzhen during the National Day Holiday. C. Not willing or unhappy to have a P.E. teacher to be your head teacher? Read this article, and you’ll see how the government official answered the question. D. How do schools encourage students and their parents to pay more attention to students’ health? Read this article, and you’ll know what’s on in some schools. E. What has happened to Shenzhen in the past 40 years? This article helps you find out useful information. Besides, it explains what “Shenzhen Speed” is. F. Having trouble dealing with the stress from your study or your life? This article introduces practical ways from the experts in Shenzhen University to help you. |
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
