囊萤夜读
胤恭勤不倦,博学多通。家贫不常得油,夏月则练囊盛数十萤火以照书,以夜继日焉。
1.解释文中加点字的意思。囊萤夜读:
2.选择下面句中停顿最恰当的一项,将序号写在( )里。
A.夏月/则练囊/盛数十萤火/以照书 |
B.夏月则/练囊盛/数十萤火/以照书 |
C.夏月则/练囊盛数十/萤火/以照书 |
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