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) Marine fossils found here were 225 feet above sea level, indicating the level of the shoreline prior to the glacier.您看到来自www.^91exam.org的新闻
The 2,500-mile-long rocky coastline of Marine keeps watch over nearly two thousand islands. Many of these islands are tiny and uninhabited, but many are home to thriving communities. Mt. Desert Island is one of the largest, most beautiful of the Maine coast islands. Measuring 16 miles by 12 miles. Mt. Desert was essentially formed as two distinct islands, _____(48)
For years, Mt. Desert island, particularly its major settlement, Bar Harbor, afforded summer home for the wealthy. Recently though, Bar Harbor has become a rapidly growing arts community as well. But, the best part of the island is the unspoiled forest land known as Acadia National Park. Because the island sits on the boundary line between the temperate (温带) and sub-Arctic zones, the islands supports the plants and animals of both zones as well as beach, inland, and alpine (高山的) plants.____(49). The establishment of Acadia National Park in 1916 means that this natural reserve will be perpetually available to all people, not just the wealthy. Visitors to Acadia may receive nature instruction from the park naturalists as well as enjoy camping, cycling, and boating. Or they may choose to spend time at the archeological museum, learning about the Stone Age inhabitants of the island.
The best view on Mt. Desert Island is from the top of Cadillac Mountain. ____(50) From the summit, you can gaze back toward the mainland or out over the Atlantic Ocean and contemplate the beauty created by a retreating glacier.
A It also lies in a major bird migration
B Mt. Desert Island is one of the
C The wealthy residents of Mt.
D The term comes from the activity
E This mountain rises 1,532 feet.
F It is split almost in half by Some
答案解析：
46. D。 The term comes from the activity of the ice age.
空格前句： This irregularity is the result of what is called drowned coastline.
空格后句： At the time,….
47. F。 It is split almost in half by Sones Sond, a deep and narrow stretch of water…
空格前句： The highest parts of the former mountain range, along the seashore and narrow stretch of water, remained as island.
空格后句：Marine fissile found here were 225 feet above sea level.
48. B。 Mt. Desert island is one of the most famous of all of the islands left behind by the glacier.
干扰项： The wealthy residences of Mt. Desert island
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