教育和发展之间的中间环节是（）。
A. 量变
B. 质变
C. 量变和质变
D. 领会
The student found the novel（） It provided him with so much information about the subject.
A. enlightening
B. confusing
C. frustrating
D. delighting
Attendance at football matches have（）since the coming of television.
A. dropped in
B. dropped off
C. dropped out
D. dropped down
Construction of the railways helped to develop the national（）of Tanzania and Zambia.
A. economic
B. economies
C. economics
D. economical
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