一物体以初速v₀水平抛出，经t秒后竖直分位移与水平分位移大小相等，那么t为（   ）

A．v₀/g

B．2 v₀/g

C．v₀/2g

D．

句型转换。

1. His favourite food is noodles. (对划线部分提问)

    _____ _____ his favourite food?

2. There are five eggs. (对划线部分提问)

    _____ _____ eggs are there?

3. The cake is on the desk. (对划线部分提问)

    _____ _____ the cake?

答案: 1. What is       2. How many      3. Where is

4. The bananas are yellow. (对划线部分提问)

    _____ _____ are the bananas?

5. How do you spell "apple"? (写出答语)

    __________________________________