Summer Flounder

　　The summer flounder is a flat fish.What is unique about the fish is that both its eyes are on one side of its body.They stay close to the sea beds in the Atlantic waters off the coast of North America.They are effective predators that search for food on the sea floor.The flounder has sharp teeth capable of crushing (粉碎) small lobsters.

　　Harbor Seals

　　Found in Arctic and sub­arctic waters in both the Pacific and Atlantic oceans，the harbor seals rest on sandy beaches and take to the water to hunt.Seals have a varied diet，eating a range of fish.They also eat lobsters.

　　Wolffish

　　The wolffish is found in coastal waters on both sides of the North Atlantic.It has a large mouth with sharp and long teeth.These teeth are specifically for eating hard­shelled animals.Lobsters are easy prey for the fish.

　　【语篇解读】　本文介绍了几种龙虾的捕食者。

　　1．The first paragraph is mainly about ．

　　A．the types of lobster

　　B．the habitats of lobsters

　　C．the features of lobsters

　　D．the living habits of lobsters

　　B　[段落大意题。第一段主要谈及龙虾在世界各地的分布以及在水域中的栖息之处。故选B项。]

　　2．What is unusual about the summer flounder?

　　A．It is large and round.

　　B．It lives on the sea floor.

　　C．It is able to crush any lobster easily.

　　D．It has both eyes on one side of its body.

　　D　[细节理解题。根据Summer Flounder部分的介绍："What is unique about the fish is that both its eyes are on one side of its body."可知选D项。]

3．What is the main threat to lobsters?