选词填空（A. interfere B. majority C. maximum D. unclean E. intervention F. minimum G. published H. delivered I. minority J. argue K. evidence L. kick M. trials N. witness O. experiments）Study shows 43% of women who quit smoking during pregnancy pick the habit back up six months after birth. Data suggests the _1_ of women who smoke try to quit if they find out they're pregnant, but it's _2_ whether they keep it up after they've given birth. Anew study adds to the _3_, showing that nearly half ofwomen who _4_ the habit while pregnant will become smokers once again.The new report, _5_Tuesday in the journal. Addiction, looked at 27 different _6_ that attempted to helppregnant women quit smoking. Theresearchers tooka closer look at whether these women stayed non-smokers six months after giving birth. They found that among the women who were offered some sortof smoking cessation _7_, 13% were able toquit sometime during the pregnancy and remain abstinent whenthey _8_. The other 87% of women either tried to quitand were not able to do so, or they did not attempt to break the habit. These findings suggest that despitelarge amounts of health-care expenditure on smokingcessation, few women and their offspring gain the _9_ benefits of cessation. The study authors _10_ more needs to be done to find better ways to helpmothers stop smoking for good.