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Welcome to the Children’s Centre. There are many interesting things here. Look! There is a girl under the tree. She’s Chen Jie. She’s drawing. There is a boy next to Chen Jie. He’s Mike. He is reading. There are two people playing chess. One is John, the other is Mr Black, John’s math teacher, John and Sarah are flying a kite. Where’s Bai Ling? Look! She’s over there. She’s listening to music.
1．There is no people playing basketball.2．There is a teacher.
3．There are two children flying a kite.
4．There is a girl. She’s singing.
5．There are seven children.
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
