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Sam: Good afternoon, Bobby!
Bobby: Good afternoon, Sam.
Sam: Bobby, please turn on the tap!
Willy jumps up and down on the water pipe.
Sam: Oh! Naughty Bobby!
Willy: Ha! Ha!
Bobby: He jumped up and down on the water pipe!
Willy: Sorry, Sam!
Sam: Never mind! It’s so funny!
1. It is in the now. ( )
A. morning B. afternoon
2. jumps up and down on the water pipe. ( )
A. Bobby B. Willy
3. the tap. ( )
A. Turn on B. Open
4. Sam angry（生气的）. ( )
A. is not B. is
5. Willy naughty（淘气的）. ( )
A. is not B. is
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
