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Mike is a student. He is in Class Five, Grade Four. Mike has a new schoolbag. It’s big but not heavy. It’s orange. Mike has a good friend. Her name is Lucy. Lucy is a cute girl. Her hair is long and her mouth is small. Lucy has a new orange schoolbag, too. It’s small. What’s in it? A pencil box, a Chinese book, an English book and some notebooks are in it. Mike and Lucy both(都) like their schoolbags.
1．Mike is in Class Five, Grade Four.2．Mike’s schoolbag is heavy.
3．Lucy has long hair and a big mouth.
4．Lucy’s schoolbag is orange.
5．Mike and Lucy are good friends.
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
