2. Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

The global warming controversy is an ongoing dispute about the effects of humans ___(1)___ global climate and about what policies should be ___(2)___ to avoid possible undesirable effects of climate change.

The current scientific consensus on climate change is ___(3)___ recent warming indicates a fairly stable long-term trend, that the trend is largely human-caused, and that serious damage may result ___(4)___ some future date if steps are not ___(5)___ to halt the trend.

Mainstream ___(6)___ organizations worldwide (Royal Society, American Geophysical Union, Joint Science Academies, Intergovernmental Panel on Climate Change, American Meteorological Society, and American Association for the Advancement of Science) ___(7)___ with the assessment that most of the ___(8)___ warming over the last 50 years is likely to ___(9)___ due to the human-caused increase in greenhouse gas concentrations.

However, there is also a small but vocal number of scientists in climate and ___(10)___ fields that disagree with the consensus view.