A know what they are doing." k# K/ `5 c: j- A, G% ^6 J c" _1 y
B feel their efforts are useless.3 E/ W, S6 A/ R- L
C think the problem has been solved.5 s: O7 H* t. m$ ~
D see the real problem.
; s) y, q0 d. N) ^) p 3. What does Stephen Schneider say about a heroin addict and methadone?) C o9 n$ f- j4 g8 m
A Methadone is an effective way to treat a hard heroin addict.
* a% I7 Z# `9 i& l* ^ B Methadone is not a correct way to treat a heroin addict.% [" G* _" u2 M/ c, ]$ }6 N, a7 h4 ?+ b
C Hospitalization together with methadone can work effectively with a heroin addict.
' b' d. F9 t1 j! K D Methadone and heroin are equally effective in treating a heroin addict.
! n0 ~: d8 Z' d( M; r- \- V 4. What is Stephen Schneider’s idea of preventing global warming?1 W' A0 ]% o; Y
A To ask governments to take stronger measures;
- N& q3 U6 Y+ v! d) Q B To increase the sunlight reaching the Earth.& a2 E: F: `- x& O1 |" u
C To apply sunscreen to the Earth. ^9 d; F# G e S: y4 l" n, u1 l
D To decrease greenhouse gases.( Z* w& q0 t2 E2 ~
5. What is NOT true of the effectiveness of “sunscreen”,according to the last paragraph?
" } A/ s$ Y% H" j% R A It deflects sunlight reaching the Earth to counteract the warming.$ h, P5 `" i+ z9 j$ s% V8 X3 w3 w
B It blocks the incident energy in the sun’s rays., V1 g, ~5 {& Q `
C It is a controversial method.1 g3 r: P8 A7 d% z
D It decreases greenhouse gases in the atmosphere. |