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Friday , October 20
It was sunny today ,and everyone in my class ______ (be) busy .We went to the Guangming farm and worked with our teachers . We ________ (get) to the farm at about half past eight . Then we began _______ (work) hard there . All the girls ________ (pick) apples . All the boys ________ (put) the apples into the baskets and ________ (carry ) them to the trucks .
We ______ (be) tired after we finished _______ (do ) the work . But we were very happy .We ______ (stay ) on the farm for three hours .Then we _______(go ) back home by bus .
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
