搜索
The summer vacation is coming soon. The students in Class One are talking about their vacations. Peter is going back to England because he wants to visit his parents. Liu Xing is going to Harbin because his uncle lives there. He is going to visit him. Cindy is going to learn to swim during the summer vacation. Lucy and Lily are twins(双胞胎). They are going to Beijing with their parents. There 'are many places of interest(名胜古迹) in Beijing, such as (例如) the Summer Palace and the Palace Museum. Everyone has a good plan.
( ) 1. _________ and Lily are twins.
A. Lucy B. Cindy C. Linda
( ) 2. Peter is going back to __________.
A. Australia B. America C. England
( ) 3. Cindy is going to learn to ____________.
A. sing B. swim C. dance
( ) 4. Liu Xing is going to visit ________.
A. his aunt B. his uncle C. his cousin
( ) 5. The twins are going to Beijing with __________.
A. their friends B. their classmates C. their parents
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
