【B3】
A．useful
B．beautiful
C．important

Why does the author of this passage use the word "apparently" in paragraph 5？
A．He is not certain that the author of Beowulf was a Christian.
B．He is mentioning facts that are obvious to the readers.
C．He is giving an example from a historical reference.
D．He is introducing evidence about the author of Beowulf.

--Are you free tomorrow？-- ______. I have to see my mother.
A．I think so
B．I'm afraid not
C．That's right

In paragraph 2, the author explains the concept of vasodilation and vasoconstriction by
A．describing the evolution in our ancestors
B．giving an example of heat loss in the extremities
C．comparing the process in humans and animals
D．identifying various types of insulation

In paragraph 6, the author states that evaporative cooling is often accomplished by all of the following methods EXCEPT
A．by spreading saliva over the area
B．by urinating on the body
C．by panting or fluttering a pouch
D．by immersing themselves in water

The young boy usually eats what he wants __ what he needs.
A．because of
B．instead of
C．such as