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Betty was very busy last weekend. On Saturday, She got up at 6:40 in the morning. She washed her face and had some bread and milk for breakfast. Then she did her homework and played the violin for an hour. In the afternoon, she washed the clothes and watered the flowers. On Sunday, she visited her grandma and looked after her with her parents. She cleaned the room and bought some food and fruits for her grandma. What a good girl!
1．Betty was very ______ last Saturday and Sunday. ( )| A．happy | B．tired | C．busy |
| A．bread and eggs | B．bread and milk | C．eggs and milk |
| A．watered the flowers | B．watched TV | C．played games |
| A．parents | B．grandma | C．teacher |
| A．food and drinks | B．food and fruits | C．drinks |
| A．happy | B．healthy | C．good |
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
