[填空题]______ is more harmful than smoke exhaled by a smoker.

[填空题]______ is more harmful than smoke exhaled by a smoker.

[单项选择] More teenagers smoke today than at any 【B1】 since the 1970s, a federal study shows. Overall. 35% of children in grades 9-12 smoke cigarettes, a greater 【B2】 than 25% of adults who smoke. 【B3】 it is illegal to buy cigarettes until age 18. More than 75% of kids who 【B4】 them in stores are not asked for proof of 【B5】 , and they get cigarettes just as adults do: they walk in and buy them, 【B6】 no one checks their age. At a high school 【B7】 inaugurated a smoke-free campus this year, students who smoke cigarettes between classes 【B8】 that stricter laws will cut 【B9】 . Sixth and seventh-graders 【B10】 at a middle school say they have little trouble 【B11】 stores to sell them cigarettes, 【B12】 unsupervised vending machines or getting 【B13】 students to buy cigarettes for them. They say they have 【B14】 the most successful store-buying line early: "My 【B15】 is waiting in the car." 【B16】 smoking becomes less popular in adults, smoking becomes a form of rebelli
A. time
B. minute
C. age
D. stage

[单项选择]
More teenage girls smoke than boys. Could it be because the tobacco industry plays on their desire to look fun, feel confident and stay thin
Forget BlackBerrys or wedges: the most desirable accessory for huge numbers of adolescent girls today is a cigarette. The trend began in the 1990s, when girls started to overtake boys as smokers; the gap grew to 10 percentage points in 2004 with 26% of 15-year-old girls smoking compared with 16% of boys. The gap has narrowed since but in 2009 girls are still more likely to smoke than boys.
There has long been a synergy (协同作用) between the changing self-image of girls and the tricks of the tobacco industry. Smoking was described by one team of researchers as a way in which some adolescent girls express their resistance to the "good girl" feminine identity. In 2011, when Kate Moss creates controversy by smoking tobacco on the Louis Vuitton catwalk and Lady Gaga breaks the law
A. Sexy smoking teenage girls enjoy great popularity.
B. Top brands tend to hire celebrities in their promotions.
C. Few adolescent girls are satisfied with their appearance.
D. Smoking is still very appealing to many teenage girls.