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（1）A.I had a new book.
B.I bumped my leg.
C.I ate a banana.
（2）A.The monster had lots of fingers.
B.I have ten long fingers.
C.I cut my finger.
（3）A.Yes ,I did.
B.Yes, I do.
C.Yes, I can.
（4）A.I played football.
B.They played basketball.
C.He played the flute.
（5）A.I can speak English.
B.I saw a monster.
C.I have a good friend.
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
