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( ) 1. A. This is Mr. Li. He is our new teacher.
B. This is Mrs. Li. She is a bus driver.
( ) 2. A. This is my new pencil box.
B. Look. This is my new schoolbag.
( ) 3. A. What day is it? It's Saturday.
B. How's the weather today? It's sunny.
( ) 4. A. June is the sixth month of the year.
B. July is the seventh month of the year.
( )5. A. Their favourite clothes are shorts.
B. Their favourite clothes are trousers.
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
