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Spring is coming. What a nice season!
The weather is getting warmer and warmer. The flowers are coming out. How beautiful the world is! Look around! The sky is blue and the trees are turning green. The sun is shining brightly and the air is so fresh. Now people take off warm coats. People can fly kites in the park.
A good beginning is half done and it’s the first season in the year. We must make the best use of our time and catch every second (秒) to work and study. Do you think so?
1．The first season of a year is ______. ( )| A．winter | B．autumn | C．spring |
| A．sky | B．flower | C．trees |
| A．warm clothes | B．dresses | C．warm shorts |
| A．cooler and cooler | B．hotter and hotter | C．warmer and warmer |
| A．fly kites | B．go swimming | C．make a snowman |
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
