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Jack and Sally are brother and sister. They are twins. They like swimming and riding bikes. They like flying kites, too. They often（经常） run with the kites near the river . The kites are very high. They look very happy （高兴）. But not all of their favourite games are the same. Jack likes playing football and Sally likes playing basketball. Jack likes jumping high, he thinks it’s easy, but Sally thinks it’s very hard . Sally likes making something, but Jack can’t . Sally can sing well and Jack can throw the yo-yo very well.
( )1. Jack and Sally are brothers.( )2. They like flying kites.
( )3. They often run with the kites near the river.
( )4. Jack likes playing basketball.
( )5. Sally thinks high jump is easy.
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
