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We have spring, summer, autumn and winter in a year. But when it’s autumn in China, it’s spring in Australia. When it’s winter in Beijing, it’s summer in Sydney. In Beijing, it’s spring from March to May. Summer is from June to August. Autumn is from September to November. Winter is from December to February the next year. But, in Sydney, it’s spring from September to November. Summer is from December to February the next year. Autumn is from March to May. Winter is from June to August. If you’re planning a trip, look at a map first and remember that it may not be the same season where you’re going.
1．There are four seasons in a year.2．When it’s winter in Beijing, it’s summer in Sydney.
3．In Sydney, it’s spring from March to May.
4．In Beijing, summer is from December to February the next year.
5．When it’s autumn in Australia, it’s spring in China.
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
