It can be seen from Paragraph 5 that Gladwell's book______.
A. is beginning to influence Obama's Policies
B. has become quite influential
C. has received severe criticisms
D. assumes that people just pursue maximum profits
【B9】
A. magazine
B. shoe
C. sock
D. bag
无差异性营销策略与集中性营销策略一样都有利于使企业降低经营成本。()
A. 正确
B. 错误
【B5】
A. if only
B. how
C. whether
D. why