57. Where can visitors camp in the island?Only in_________________.
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58. How many persons are allowed per campsite in Bridger Bay Campground?_______________________at most.
59. What is said about camping in a primitive campsite in White Rock Group Campground?It is only available by________________________.
60.What is not allowed in Ladyfinger Campground?_______________________are not allowed.
15选10:Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet with a single line through the centre. You may not use any of the words in the bank more than once.When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering about on a Thai island or1 the ruins of Angkor. It's hot so you grab a bottle of water from a local vendor. It's the safe thing to do, right? The bottle is 2, and the label says "pure water". But maybe what's inside is not so 3. Would you still be drinking it if you knew that more than 90 percent of all bottled water sold around the world 4microplastics?That's the conclusion of a recently 5study, which analyzed 259 bottles from 11 brands sold in nine countries, 6 an average of 325 plastic particles per liter of water. These microplastics included a7 commonly known as PET and widely used in the manufacture of clothing and food and8containers. The study was conducted at the State University of New York on behalf of Orb Media, a journalism organization. About a million bottles are bought every minute, not only by thirsty tourists but also by many of the 2.1 billion worldwide who live with unsafe drinking water.Confronted with this 9, several bottled-water manufacturers including Nestle and Coca-Cola undertook their own studies using the same methodology. These studies showed that their water did contain microplastics, but far less than the Orb study suggested. Regardless, the World Health Organization has launched a review into the 10 health risks of drinking water from plastic bottles.A) adequateB) admiringC) containsD) defendingE) evidenceF) instantG) liquidH) modifiedI) naturalJ) potentialK) releasedL) revealingM) sealedN) solvesO) substance