(48)
A.easy
B.basic
C.fundamental
D.elementary

(47)
A.continued
B.hased
C.followed
D.forwarded

(46)
A.light
B.slight
C.lightly
D.lightly

According to the passage, what is true about the size of dinosaurs?
A.It made them the largest creatures ever on earth.
B.It varied quite greatly.
C.It guaranteed their survival.
D.It was rather uniform.

Some officials proposed to increase the _____ on tobacco.
A.money
B.fee
C.duty
D.salary

The author uses the phrase ―never to reemerge to indicate the dinosaurs .
A.became extinct
B.went into hiding
C.never died out
D.lost their way

What is the best title for this passage?
A.The Domination of the Land
B.The Metabolism of Dinosaurs
C.Earth’s Largest Reptiles
D.The History of Earth

The word “ones” in the passage refers to
A.dinosaurs
B.millions
C.lizards
D.whales

In what order does the author present detailed discussions of the three streets?
A.LIGHT, MEDIUM, HEAVY
B.HEAVY, MEDIUM, LIGHT
C.HEAVY, LIGHT, MEDIUM
D.LIGHT, HEAVY, MEDIUM

The author’s main purpose in the second paragraph is to .
A.discuss the problem of trash disposal
B.point out the disadvantage of heavy traffic
C.propose an alternate system of transportation
D.suggest ways to cope with traffic problems