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Chinese have Chinese fast food. English have fast food, too. Chinese use chopsticks but English use a knife and fork. Amy likes Chinese fast food. Now she is eating noodles with chopsticks. Daming likes English fast food, but he doesn’t use a knife and fork. He often eats hamburgers and chips. Chinese people use chopsticks. It’s hard for English people.
1．Chinese people use _______. ( )| A．a knife and fork | B．chopsticks |
| A．hamburgers | B．noodles |
| A．Chinese | B．English |
| A．Amy | B．Daming |
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
