Do you think that this test is OK? Are there any mistakes or options that both fit? What question is the most difficult? Are there any mistakes? Why is it impossible to choose A or D for Q45? Is it possible to say 'ignored' for Q46? "Noisy ecotourists may unexpectedly 44_____ brown bears in the wild. Human visitors to remote natural areas often 45_____ with animal behaviour, sometimes with disastrous results. However, researchers studying brown bears in Canada found that while adult males 46_____ the tourists, the presence of people didn’t bother mothers and cubs, who seemed to use the noise of buses as a 47_____ that dangerous males had left the area. Even when males had left the area altogether, females didn’t appear until the tourists did. Mother bears evidently take advantage of the opportunity to dine without the 48__ of males attacking their cubs." 44 A raise B improve C benefit D serve 45 A interrupt B interfere C involve D mix 46 A avoided B faced C blocked D ignored 47 A symbol B note C sign D mark 48 A alarm B panic C warning D threat