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1．What is the rate of the average global temperature increase?
| A．0.15 to 0.20°C per year. |
| B．0.15 to 0.20°C every five years. |
| C．0.15 to 0.20℃ per decade. |
| A．35℃. | B．37℃. | C．38℃. |
| A．Sunflowers won’t survive anymore. |
| B．Most countries will be drowned. |
| C．Sea animals will die massively. |
| A．We should make some changes. |
| B．We have lost our last chance. |
| C．We can stop global warming |
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
