What does the passage mainly discuss?
A.The use of food in studies of animal behavior.
B.Observations that suggest consciousness in animal behavior.
C.Differences between the behavior of animals in their natural environments and in laboratory experiments.
D.The role of instinct in animal behavior.

What is the purpose of the honeybee at a site?
A.To determine the quality of food at a site
B.To identify the type of nectar that is available
C.To increase the speed of travel to food sources
D.To communicate the location of food

It can be inferred from the passage that brain size is assumed to ___________.
A.be related to food consumption
B.be an indicator of cognitive ability
C.correspond to levels of activity
D.vary among individuals within a species

The word “rudimentary” in meaning to ___________.
A.technical
B.superior
C.basic
D.original

The waiter : “ How would you like your meal , sir ? All courses at one time or __________?”
A.in time
B.all at once
C.one at a time
D.on time

I met __________ yesterday.
A.a tall young blonde Italian lady.
B.a young tall blonde Italian lady.
C.a tall blonde young Italian lady.
D.a blonde young tall Italian lady.

Ann was not __________ to think that the test was too difficult.
A.who
B.the one who
C.the only one
D.among the people

She never says a word. She’s __________ .
A.as noiseless as a dog.
B.as quiet as a mouse.
C.as slight as a cat.
D.as small as a mouse.

David was trying to __________ another cyclist when he crashed.
A.overcharge
B.overcome
C.overpass
D.overtake

Tom: “You didn’t pay attention to what I said.” Mary : “__________”
A.That’s understandable. I am speaking too fast.
B.That sounds terrific. Thank you.
C.Why should I when I don’t know what you are talking about.
D.That’s right. Thank you.