拉:(1)老师拉长声音说话。_____
(2)妈妈正和保姆拉家常。_____
(3)现在,他有困难,我们应该拉一把。_____
(4)小东正和看门的大爷拉交情。_____
(5)船快开了,妈妈只好狠下心来,拉着我登上大客轮。_____
A.用力使东西朝自己所在的方向或某处移动; | B.用车载运; | C.拖长; | D.闲谈;E.牵累、拉扯;F.拉拢、联络;G.帮助。 |
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