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People usually use chopsticks when they have Chinese food. But it is difficult for the people from foreign(外国的) countries. Because they usually eat with a knife and fork when they have western food. Lots of Americans like Chinese food now. They often eat in the Chinese restaurants. Some of them can use chopsticks very well.
1．People usually use chopsticks to eat Chinese food. （____）2．Using chopsticks is difficult for foreign people. （____）
3．People use chopsticks to eat western food. （____）
4．Many Americans like Chinese food now. （____）
5．All Americans can use chopsticks very well. （____）
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
