1.选出下列单词中在意义上属于不同类的单词(
A. is B. are C. do
2.选出下列单词中在意义上属于不同类的单词(
A. tree B. three C. flower
3.选出下列单词中在意义上属于不同类的单词(
A. owl B. crow C. cow
4.选出下列单词中在意义上属于不同类的单词(
A. behind B. hand C. head
5.选出下列单词中在意义上属于不同类的单词(
A. gym B. girl C. boy
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