要查的字 | 查什么部首 | 除部首外再查几画 | 在字典中的解释 | 应选第几种解释 |
要挟 | ________ | ________ | A夹在胳膊下;B依仗势力或抓住人的弱点使服从;C心里怀着 | ________ |
阻挠 | ________ | ________ | A扰乱;B弯曲;C骚,抓 | ________ |
勘测 | ________ | ________ | A校对,复看核定;B细查,审查 | ________ |
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