The experts in aviation industry disapproved the claim by the CCR because
A．the calculation of aviation industry's carbon emission is based on prediction instead of facts.
B．the figure calculated is much more than the experts in aviation industry expected.
C．airlines are also making great efforts to reduce their oil consumption and carbon emissions.
D．the experts didn't agree with the way of their calculation of the carbon emissions by planes.

未分类题The authors attitude toward superstition is

未分类题What does the word 'culprit'(Line 2, Paragraph 1)probably mean ?

未分类题From the first paragraph, we learn thatA．night-shining clouds have become more shining but the formation becomes less frequent.B．scientists believed that climate change contributes to the formation of night-shining clouds.C．night-shining clouds become widespread and have started to form. at lower latitudes.D．the formation of night-shining clouds is ten times more frequent than previously believed.

未分类题According to the passage, the common problem of many football clubs is thatA．they neglected the most important thing—the football field.B．the increase in expenditure has exceeded the increase in revenue.C．they pay too much to lure superstars from other teams.D．they are increasingly dependent on advertising.

未分类题The word 'uptick'(Line 1, Paragraph 3)probably means