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Let’s get to know the twins’（双胞胎的）family. Look at the picture. They are the twins, their mother and their father. The twins’ names are Lucy and Lily. They are fourteen. They are in the same class in No.3 Middle School and they are all good students. Their father Mr. King is a teacher. He is thirty-nine. He teaches English in a school near his home. Their mother, Mrs. King is a doctor. She is the same age（年龄）as Mr. King. Now, they are all at home.
They are very happy.
1．There are ________ people in the twins’ family.| A．three | B．four | C．five | D．six |
| A．an English teacher | B．a Chinese teacher | C．a doctor | D．a student |
| A．We don’t know. | B．Thirty. | C．Thirty-two. | D．Thirty-nine. |
| A．The twins | B．The twins’ parents | C．The twins’ family | D．The twins’ school |
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
