at first hand" in paragraph 5 could be best replaced by ______ .,,,,indirectly|==personally|realistically|originally">
2
it" in paragraph 1 refers to ______ .,,,,==visiting a rainforest|conserving the wildlife|creating local jobs|fostering environmental responsibility">
3
inadvertently" in paragraph 3 is OPPOSITE in meaning to ______ .,,,,rapidly|luckily|==intentionally|dramatically">
19
In this way, the children of future generations can learn respect for nature.",,,,[I]|[II]|[III]|==[IV]">
21