A. What happened(发生)to her? B. Where did she go? C. When was Helen Keller born. D. Why was she famous? E. Did she have a teacher? F. Where was Helen Keller born? |
A: 1.
B: She was born in America.
A: 2.
B: She was born in 1880.
A: 3.
B: She became blind and deaf. She couldn’t see or hear.
A: 4.
B: Yes, she did. The teacher drew letters in her hand, and Helen learned to speak.
A: 5.
B: She wrote a book about herself.
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