A its poor administration. B its vulnerable financial model. C extensive competition in distance learning, D marketization of higher education.

A aggressive. B incompetent. C unconfident. D ineloquent.

A The OU's crisis has little to do with the vice-chancellor. B The OU is faced with huge socio-technical challenges. C The OU's television programmes have lost their market. D The role positioning involving the OU has shifted.

A hurts Amazon's regular employees. B actually encourages Amazon's monopoly. C is dissatisfied with employment law. D deems the couriers to be Amazon's staff.

A can ensure consumers'demand. B are vital to innovation and growth. C can better guarantee workers'right. D can ultimately promote democracy.

A bridge the employee-employer divide. B improve its workforce management. C cooperate with state-owned enterprises. D move into delivery service market.

A avoid being manipulated by monopolies. B aim at curbing dominant companies. C ensure online business'slable development. D take consumer demand into account.

A It saw a sharp rise in profits last year. B lts revolution comes at the expense of consumers. C Its growth owes a lot to supply chain workers. D lts business declines due to the low price strategy.

A unreviewed research can be accepted by a journal nowadays. B preprints are very likely to replace journals in the near future. C scientists have just got released from the traps of journals. D preprints provide a record of priority for research works.

A scientists rend to sacrifice accuracy in the rush to publish. B journalists may report on preprints against the authors'will. C news media may dismiss formal publications as old news. D journals may refuse to consider preprinted papers.