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Guo Liang is in Grade Four. He lives in the country. He goes to school by school bus. He likes science. Sometimes he has science classes in the field. It’s very interesting. After school he often helps his parents feed the cows. At the weekend, he usually goes to his father’s orchard. His father has many fruit trees there. Guo Liang often helps him pick fruit. Look! He is picking cherries. How happy he is!
1．Where does Guo Liang live? ( )| A．In the city. | B．In the country. |
| A．By school bus. | B．By car. |
—He often helps his parents ________.
| A．feed the cows | B．feed the goats |
—He often helps his parents ________.
| A．pick fruit | B．read books |
—He is ________.
| A．sorry | B．happy |
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
