单项选择题

Which of the following statements best expresses the main idea of the passage

A．World leaders must give high-level attention to global environmental problem.
B．The future of the planet is dependent on international economic cooperation.
C．Preceding generations were overly concerned with economic problems.
D．Existing political and social institutions can solve current environmental concerns.

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单项选择题

Which of the following is NOT true

A．Bernard Shaw didn't finish high school, nor did Edison.
B．One must think carefully before going for a master degree.
C．The higher your education level, the more money you'll earn.
D．If you are too well-educated, you will make things difficult for the society.

单项选择题

What sort of problems are currently handled the way environmental problems should be handled

A．Geological.
B．Economical.
C．Political.
D．Environmental.