( ) 1. What does the first paragraph tell us?
A. Honeybees are everywhere in the US all year round.
B. The farmers in the US are bored with too many honeybees.
C. Honeybees are useless to the farmers in the US.
D. Lots of honeybees in the US help with the crops' growth.
( ) 2. What does the underlined word "they" in paragraph 2 refer to?
A. European honeybees.
B. American bumblebees.
C. American honeybees.
D. European wild bees.
( ) 3. What can we learn from the passage?
A. Plants and animals depend on each other to survive.
B. The first honeybees were from North America.
C. Male wild bees are the most hard-working.
D. Most plant kinds move their pollen on their own.