In paragraph 1, the author cites the examples in order to demonstrate that______.
A．gadgets do not function as we would like
B．gadgets work, but we do not use them properly
C．gadgets are smaller and cost less
D．people need clear instructions on how to use new gadgets

未分类题'Dusting upstarts in a cutthroat arena' in paragraph 3 means______.A．matching your competitors in the marketplaceB．introducing new features in gadgets that are on the marketC．defeating competitors in a competitive marketD．competing effectively with companies that introduce new, unnecessary features

未分类题脱产培训相对于在职培训来说()

未分类题Dr. Abbey Berenson held the point in Paragraph 4 that______.A．overuse of DMPA or oral contraception will lead to diabetesB．it is not suggested that any means of contraception should be adoptedC．women who take injectable or oral contraception may not be worriedD．women should switch from DMPA to non-hormonal contraception

未分类题Which of the following is not true in the case of Berenson and Rahmans study published in January 2010?A．Overall contraceptive methods may have adverse side effects, especially on bones.B．Women using DMPA experience a loss of bone and weight.C．There is no direct relationship between a woman's age and her BMD loss.D．The most common fracture site in aged women is the hip.

未分类题On which of the following would the author most probably disagree?A．The public has continuously paid attention to the effects of DMPA on health.B．The study proposed by Berenson and Rahman facilitates doctors' judgments and actions.C．Using DMPA may cause increase of women's glucose and insulin levels.D．Injectable and oral birth control do not adversely affect glucose and insulin levels.