It can be learned from Paragraph 4 that______.
A．private oil companies, non-OPEC countries and governments are powerless
B．OPEC needs to increase the refining capacity
C．everyone should be more focused on geopolitics
D．OPEC can not be solely responsible for increasing refining capacity

未分类题What happens when a man says something flirtatious to a woman and she laughs?A．The man is being encouraged to continue flirting.B．The woman is discovering that the man is physically attractive.C．The man and woman are playing natural conversational roles.D．The woman is telling the man that she finds him, or his remarks, funny

未分类题Paragraph 2 suggests that______.A．we always laugh with other peopleB．laughter is a form. of communicationC．Robert Provine often laughs more frequently than the average personD．that it is hard to tell yourself a joke

未分类题According to the text, oil prices are kept high because______.A．only a little oil is being refinedB．refineries take a long time to buildC．people are driving too muchD．supplies of refined oil are limited

未分类题Which of the following statements is true according to the text?A．Peter Drucker is considered old-fashioned in today's business world.B．Sherron Watkins was more than likely fired shortly after her memo to Ken Lay.C．Sherron Watkins was brave enough to ask what appeared to be a stupid question.D．Peter Drucker was paid too much to question employees about their company.

未分类题From the first three paragraphs, we learn that______.A．it's more difficult for outsiders than insiders to ask dumb questionsB．dumb questions are usually asked by dumb peopleC．though dumb questions aren't easy to ask, they can be usefulD．most people don't need courage to ask dumb questions