Section B 改错:
ll . Similar elements in the prehistoric remains from both areas suggest that Indians and their
A B
neighbours had maintained distant but real connections ever before 1500 B. C.
C D
12. It soon became obviously that instead of being trained to sing she would be trained as the as-
A B C D
tronomer's assistant .
13. He also conceived that the solar system and the universe would come into existence by a nat-
A B C
ural process and would disappear one day.
D
14. The moon has a mass that is nearly one hundred times less than the earth ; in consequence ,
A B C
the force of gravity at the moon' s surface is only one-sixth of that at the earth's surface.
D
15 . "The Bunsen burner is so named because it is thought to be invented by Robert Bunsen, who
A B C
was Genman by birth.
D
16. Much although I have traveled, I have never seen anyone to equal her in thoroughness,
A B
whatever the job.
C D
17. The weeds and tall grass in that yard makes the house look as if it had been vacant for quite
A B C D
some time.
18 . If only the nature of the aging process is better understood, the possibility of discovering a
A B C
medicine that can block the fundamental process of aging seems very remote .
D
19. When I consider how talented he is as a painter, I cannot heip but believing that the public
A B C D
will appreciate his gift .
20. Allen has stated that he has always had a great interest and admiration for the work of the
A B C D
British economist Keynes .