【正文】 to ________(15) types simply as goals. Consider this example. A middleaged woman may wish to remain ________(16) attractive as possible. Her positive goal is to appear desirable, and ________(17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin _______(18) aging, and therefore she may buy and use face creams. _________(19) the former case, she uses perfume to help her achieve her positive goal ? attractiveness。 average premiums ________(4) nearly 14 percent this year, the third year of doubledigit ________(5), according to the Kaiser Family Foundation. Employers are pushing _______(6) of the costs onto their workers, raising copayments and deductibles. At the same time, many Americans _______(7) their health benefits jeopardized _______(8) layoffs, which have continued _______(9) the official end of the recession in November 2001.In such time, the plight of the uninsured bees more ________(10) a middle class issue, more ________(11) a symbol of real closetohome insecurity and ________(12) more politically potent, advocates and experts say. ________(13) now, “it’s mainly been an ________(14) of altruism for a discrete and disadvantaged population,” said Ron Pollack, executive director of Families USA, ________(15) liberal consumer group.“Now ________(16) the losses ________(17) health coverage are impacting ________(18) middleclass and working families,” Mr. Pollack said, “this issue ________(19) one of selfinterest for a very substantial ________(20) of the population.【12】Tourists were ing to Mexico’s Isla Mujeres _______(1) before Cancun began weling visitors bigtime for vacation getaways. Back ________(2), sons of local fishermen would take groups from the mainland to visit from a port near Puetro Juarez. Today, a regular ferry _______(3) makes runs to Puerto Juarez _______(4) halfhour.Before the fishermen’s excursions, ________(5) Mayan Indians lived on the island. It ________(6) as their sanctuary for Ixchel, the goddess of fertility, reason, medicine and the moon. Remnants of her temple still stand at the southern ________(7) of the island, which also has been used as a lighthouse in which ________(8) shone through holes in the temple walls to warn ________(9) at sea.The Mayans also harvested salt from the lagoons in the area, and in wartime, the island was one of their________(10).Let me tell you a tale of a wonderful trip to that secluded island in the Caribbean on the easternmost point in Mexico.Isla Mujeres is ________(11) six miles north of Cancun and has fewer than 12,000 inhabitants. In recent years, tourism has continued to bee a larger _______(12) of the island’s economy, along with fishing.Beaches surround Isla Mujeres, which at its widest point is 41/2 miles by less than 800 yards. The ________(13) widely used ones are located on the north and west sides. I spent many hours sitting in the calm tide of Playa Norte, which is the most popular beach on the island. Each evening, the sun would appear above the ________(14) as an orangeyellow circle, as if painted in the sky. Even after the ________(15), I enjoyed watching the moonlight dance on the water.Although many Americans visit the beaches, the ________(16) European or South American woman also can be seen sunning herself. For other ________(17), kayaks and snorkeling gear can be ________(18) from Tarzan’s Water Sports. The eastern rocky shores with their strong _______(19) are too dangerous for swimming. The Laguna Makax is used to house boats, especially during hurricane ________(20).【13】Isla Mujeres is the ancestral _______(1) ground for the giant sea turtles that ________(2) their eggs in the sand from May through September. Although the turtles used to be devoured, they are faring _______(3) now under federal protection.At the Isla Mujeres Turtle Farm, turtle eggs are kept in pens to protect them from _______(4). Newly hatched turtles are held in tanks until they are ______(5) into the wild. Garrafon Natural Park has an offshore reef that is relatively _______(6) and has calm surf. The park, on the southern part of the island, is the highest geographical ________(7) in the Mexican Caribbean.There are no hotels or motels nearby, but the park is _______(8) easily by a rented golf cart, the most popular ________(9) of transportation on the island. Taxi services and motor bikes also are _________(10)._________(11) a 10dollar entrance fee, visitors to Garrafon can take ________(12) in various activities, including swimming in an oceanside pool, sleeping in a hammock ________(13) watching the parrots in the park. Other options, including scuba diving and swinging on a zip line across the water, require an ________(14) fee. Tourists may rent lockers, towels or diving gear at a reasonable fee. The park also has gift and snack shops and a restaurant.I would have seen other features of the Island, ________(15) as the reconstructed Mayan village, archaeological ruins, the museum, the beach, the lagoon and the wading pools, and scuba tours. I ________(16) could have visited jungle cats, monkeys, bats and even a mushroom farm, but this would have taken another visit or ________(17).Guests also can stay in a hotel room in the resort’s pyramid tower that _______(18) into the sky. The resort has a spa, a fitness center, four restaurants and the Castaway nightclub.If tourists lack a fivestar ________(19), there are 40 other hotels on the island, including the Hotel Belmar, which offers threestar acmodations in the ________(20) of downtown in the northwestern part of the island. I could have stayed on Isla Mujeres for a long, long time, but the boat came back for me.【14】When President Jacques Chirac _______(1) a clutch of central European countries _______(2) February that they ______(3) have “shut up” instead ______(4) backing America _______(5) its confrontation _______(6) Iraq, his words cut ______(7). Most of the c