45. CHOOSE THE WORD OR PHRASE THAT BEST FITS THE BLANK SPACE IN THE...

40- - DE THI TRAC NGHIEM TA CHUẨN
DE THI TRAC NGHIEM TA CHUẨN
40-45. Choose the word or phrase that best fits the blank space in the following passages:There are a few rules that all visitors to wildlife preserves should observe. (40)__________ these rules is necessary if people want to enjoy themselves and have an (41)__________ experience. First of all, it is (42)__________ to leave your car in the car park so as to cause as little disturbance as possible to the varied wildlife. Animals can be frightened by unexpected noises, (43)__________ those made by machines. Secondly, people need to be patient if they want to see the animals in their natural (44)__________ . This often means that people have to put up with (45)__________ weather conditions and annoying insects.