1996年石油天然气工业总产值比1998年多多少亿元?
A. 58.96
B. 7.68
C. 19.36
D. 225.36
What is the meaning of "array" in the second paragraph?
A. number.
B. range.
C. line.
D. order.
假如石油天然气工业总产值在1998年相当于当年国内生产总值的5.1%,那么当年的国内生产总值为多少亿元?
A. 4484
B. 3639
C. 4167
D. 4359
The story that the author is going to tell may be a story of______.
A. sadness
B. happiness
C. joy
D. kindness