[C] Prudent planning hinders progress.

　　[D] Extensive research helps decision-making.

　　29. According to the author, what should the Administration do about global warming?

　　[A] Offer aid to build cleaner power plants.

　　[B] Raise public awareness of conservation.

　　[C] Press for further scientific research.

　　[D] Take some legislative measures.

　　30. The author associates the issue of global warning with that of smoking because

　　[A] they both suffered from the government's negligence.

　　[B] a lesson from the latter is applicable to the former.

　　[C] the outcome of the latter aggravates the former.

　　[D] both of them have turned from bad to worse.

　　[第26题答案及题解页数] A 第页

　　[第27题答案及题解页数] D 第页

　　[第28题答案及题解页数] A 第页

　　[第29题答案及题解页数] D 第页

　　[第30题答案及题解页数] B 第页

　　[长难句突破]

　　But science does provide us with the best available guide to the future, and it is critical that our nation and the world base important policies on the best judgments that science can provide concerning the future consequences of present actions."