According to the passage, e-cigarettes______.
A．supply smokers with nicotine more safely
B．help the fastest e-cigarettes-adopter gain sales 1 billion times
C．are mastered by all tobacco firms as a new technology
D．have lured smokers from the big tobacco brands to startups

未分类题It can be inferred from the passage that the Lancet is a journal on______.A．evolutionB．medicineC．economyD．sports

未分类题The phases 'war chests'(Para. 5)most probably means______.A．spaceB．fundsC．networksD．competitors

未分类题The smokers attitude toward the consumption of e-cigarettes is______.A．pessimisticB．uncertainC．optimisticD．doubtful

未分类题What is the passage mainly about?A．The potency of tobacco's advertising bans.B．The hostile regulatory climate of tobacco in the U.S..C．The current situation and challenge of big tobacco firms.D．The introduction and growth of e-cigarettes.

未分类题The authors identified several key factors: More women in top positions broadened the talent pool and potentially paved the way for a more talented board; gender diversity allowed for a diversity of views, leading to greater discussion; and gender diversity could lead to potentially more conflict between board members, less trust, and hence increased scrutiny and less fraud, they said. Securities fraud is a white-collar crime in which a person or company misrepresents informa tion that investors use to make decisions. The three major types of securities fraud identified by the study in China were the postponement of disclosures, major failures to disclose information, and false statements. The study aligns with findings elsewhere in the world, and led the scholars to conclude that the presence of more women improves corporate governance, 'implying that regulators and policymakers should consider the worldwide call for more gender-diverse boards.'