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（ ）（1）A. rooster B. room C. foot D. goose
（ ）（2）A. library B. around C. along D. animal
（ ）（3）A. gosling B. often C. pond D. come
（ ）（4）A. nearby B. learn C. year D. dear
（ ）（5）A. duck B. cub C. calf D. puppy
（ ）（6）A. show B. owl C. borrow D. know
（ ）（7）A. kid B. kind C. tiger D. library
（ ）（8）A. piglet B. elephant C. hen D. help
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
