选词填空。 a any some 1. There is ____________ book on the desk. 2. Are there ____________ bridges in the village? 3. There are ____________ rivers in the forest. 4. Are there ____________ pandas in the mountains?
【单选题】Robert Provine studied people and laughter. He discovered that people laugh when they want to be friendly. He watched people in the city walking and shopping. He found that 80 to 90 percent of laughte...
A.
Robert Provine studied people and laughter.
B.
He discovered that people laugh when they want to be friendly.
C.
He watched people in the city walking and shopping.
D.
He found that 80 to 90 percent of laughter came after sentences like “I know” or “I’ll see you later.”
E.
People didn’t laugh because someone said something funny.
F.
People laughed because they wanted to be friendly with each other.
【简答题】小练笔。 Hello! My name is Alice. Today I go shopping with my mother. There are many people and cars on the street. I want to buy an ice cream. I walk across the street when the light is red. I want to ru...