6 Decide which answer, A, B, C or D, best fills each
gap.
Scientists know that the Amazonian rainforests
contain thousands of different kinds of plants. They
believe that we could benefit1___ studying these
plants, as many of them could be used to create
medicines. There have been many scientific
expeditions to the rainforest in order to 2___ contact
with some of the tribes who live there and learn
about the ways in which they use rainforest plants.
Occasionally scientists have come 3___ tribes which
have had little contact with the outside world, and
they are the most knowledgeable because they
depend entirely on what grows around them. When
scientists arrive at remote villages, they always ask
to speak to the chief. Everyone in the village looks
4___ to the chief, so they will follow his lead in the
way they behave towards the visitors. Scientists
hope that if the people of the Amazon are willing to
share their knowledge, it will be possible to 5___ the
beliefs of traditional drug makers and to find new
ways to treat diseases.
1 Aof Bwith Cfrom Dto
2 Amake Bdo Cget Dfind
3 AalongBoff Cacross Dinto
4 Aup Baway Cout Don
5 AbreakBdoubt Cchallenge Ddestroy