透:①渗透,穿透。②暗地里告诉。③透彻。④达到饱满充分的程度。⑤显露。
(1)“孑口”上装着吊板,如果敌人放毒气,就把吊板放下来挡住,不让毒气往里
(2)敌人毒辣
(3)这朵花白里
虚:①空虚。②空着。③虚假。④虚弱。⑤虚心。⑥因心里惭愧或没有把握而勇气不足。
(1)坑里插上尖刀或者埋上地雷,上面用木板
(2)谦
(3)为了掩饰内心的恐惧,敌人只能
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