module 2 no drugs section a introduction & reading and vocabulary 题组一 i. 单词拼写 1. something should be done to r_______ air pollution. 2. the operation is a success and now the patient is out of d_______. 3. smoking can cause lung c________, so you’d better give it up. 4. he has taken drugs for so long a time that he is a ________to them. 5. they went swimming in the ________(附近的)river. 6. to be a ______(强大的) country. china has a long way to go. 7. the nurse ________(注射) penicill