15.If these alien astronomers had looked in our direction in the last century, they would have been really excited to detect unequivocal signs of technology.
16.His manners are repulsive and coarse, and his language gives speedy and unequivocal evidence that he has never enjoyed the advantages of an education.
17.The leaders of America, Britain, France, Germany and Italy issued a joint statement expressing " our unequivocal condemnation of Hamas and its appalling acts of terrorism" .
19.An international team of scientists has concluded that this year's unprecedented heat wave in the Siberian Arctic provides unequivocal evidence of climate change fuelled by man-made global warming.
20.Both father and son spoke quick and loud, now looking at the object of their mutual admiration, and now regarding each other with the most unequivocal pleasure.