1.老师和孩子们发现了我,但是,好像谁也没有感到意外。( )
2.所有的礼炮都是世纪的钟声。( )
3.顿时,石头像雹子一样,带着五壮士的决心,带着中国人民的仇恨,向敌人头上砸去。( )
4.成语“水滴石穿”比喻学习或者做事只要有恒心,坚持不懈,就能够战胜困难,取得成果。( )
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