(_____)1.工人??? A.?doctor??? B.?worker? C.?teacher?
(_____)2.星星??? A.?sun???? B.?moon?? C.?star??
(_____)3.土豆??? A.?bean???? B.?carrot??? C.?potato??
(_____)4.妈妈?? A.?mother?? B.?brother? C.?father??
(_____)5.明亮的? A.?right???? B.?big???? C.?bright?
(_____)6.沙发??? A.?ant????? B.?chair? C.?sofa
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同类型试题
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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
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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
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