D see the real problem.
3. What does Stephen Schneider say about a heroin addict and methadone?
A Methadone is an effective way to treat a hard heroin addict.
B Methadone is not a correct way to treat a heroin addict.
C Hospitalization together with methadone can work effectively with a heroin addict.
D Methadone and heroin are equally effective in treating a heroin addict.
4. What is Stephen Schneider’s idea of preventing global warming?
A To ask governments to take stronger measures;
B To increase the sunlight reaching the Earth.
C To apply sunscreen to the Earth.
D To decrease greenhouse gases.
5. What is NOT true of the effectiveness of “sunscreen”,according to the last paragraph?
A It deflects sunlight reaching the Earth to counteract the warming.
B It blocks the incident energy in the sun’s rays.
C It is a controversial method.
D It decreases greenhouse gases in the atmosphere.