搜索
Sarah：Excuse me，Zhang Peng. How many books do you have?
Zhang Peng：I have six English books，three Chinese books，eight maths books，two notebooks and nine storybooks.
Sarah：Wow!
Zhang Peng：How many books do you have，Sarah?
Sarah：I have eight English books，seven Chinese books，six maths books，three notebooks and ten storybooks.
( ) 1. Zhang Peng and Sarah have fourteen English books.
( ) 2. They have ten Chinese books.
( ) 3. They have fifteen maths books.
( ) 4. They have five notebooks.
( ) 5. They have eighteen storybooks.
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
