【題目】Every year gray whales swim a 10,000 miles round-trip, from the cold waters near Alaska, down the coast of North America to the warm waters near Mexico, and back again. It is one of the longest migrations (遷徙) of any mammal (哺乳動(dòng)物).

All day, all summer long, in the cold waters near Alaska, gray whales eat and eat.

Instead of teeth, gray whales have baleen (鯨須) they use to get food from ocean water. They get big mouthfuls of muck (淤泥) from the ocean floor, then push that muck right back out through their baleen. The mucky water flows through, but tiny animals get trapped in the baleen and licked up.

When the water starts to freeze, the whales begin their long trip south. They swim night and day, without stopping to eat or rest. During the long journey, migrating whales may push their heads out of the water to see where they are.

Two months later, the whales reach Mexico. Babies are born here in warm, shallow (淺的) waters called lagoons (瀕海湖). Ocean lagoons have no food for the adults, but the babies are safer here than in the open seas. All winter the babies grow big and strong.

In spring first the dads and teenagers leave the lagoons, then the moms with babies. Migrating gray whales swim close to shore, especially moms with babies. The ice is melting up (融化) north, and it’s time for the hungry whales to make the long journey back to their summer feeding grounds.

【1】The underlined phrase “l(fā)icked up” in Paragraph 3 probably means “ ”.

A. eaten up B. ended up

C. broken up D. given up

【2】During their long journey to Mexico, gray whales .

A. always swim under the ocean

B. find food to supply their energy

C. face the colder and colder water

D. travel to the lagoons without a break

【3】Where do mother gray whales give birth?

A. In warm shallow waters near Mexico.

B. Off the coast of North America.

C. In the open seas near Mexico.

D. In cold waters near Alaska.

【4】Which of the following is NOT mentioned about gray whales in the text?

A. How they get their food.

B. How long they live.

C. When they get back to Alaska.

D. How long they spend traveling to Mexico.

【答案】

【1】A

【2】D

【3】A

【4】B

【解析】文章介紹了每年灰鯨都要?dú)v經(jīng)兩個(gè)月的時(shí)間進(jìn)行遷徙。

【1】詞義猜測(cè)題。The mucky water flows through, but tiny animals get trapped in the baleen and licked up.這句話的意思是泥水從嘴里流出，但是被困在鯨須中的小動(dòng)物被吃光了，選A。

【2】細(xì)節(jié)理解題。根據(jù)They swim night and day, without stopping to eat or rest.可知在它們到墨西哥的漫長(zhǎng)遷徙中，灰鯨不停歇地游到瀕海湖，選D。

【3】細(xì)節(jié)理解題。根據(jù)Babies are born here in warm, shallow (淺的) waters called lagoons (瀕海湖).可知灰鯨媽媽在靠近墨西哥的溫暖淺水中孵化小鯨魚(yú)，選A。

【4】細(xì)節(jié)理解題。文中講到了灰鯨如何獲取食物，它們什么時(shí)候返回阿拉斯加州以及它們游多久可以到達(dá)墨西哥，但是并沒(méi)有提到灰鯨的壽命，故選B。

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