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你将听到一个问题，根据你所听到的问题，选择最合适的答句，并将其前面的字母编号填在题前的括号内，每个问题将读两遍。(每小题2分，共10分)
（1）A. This is my teacher.
B. Yes, he is.
C.Hello, teacher.
（2）A. I visited my grandma last Tuesday.
B. I am going to play football.
C. I do the dishes every day.
（3）A. It’s October 1st.
B. Happy National Day.
C. It’s in 1949.
（4）A. What about you?
B. No, I don’t. It’s salty.
C. Let’s have some beef.
（5）A. He is collecting leaves
B. He usually goes to school by taxi.
C. He likes playing the piano.
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
