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英语短语用法复习知识点learn by heart/learn one's lesson learn by heart 默记，背诵 例句We need to learn by heart more words. 我们需要记住更多单词。 The text is too long for us to learn by heart. 这篇课文太长了，以致我们不能够记住。 It is a good practice to learn by heart as many English texts as possible. 尽量多背英语课文是一种好的练习。 谷雨刷题王 速记英语单词方法 新概念英语青少版 learn one's lesson得到教训 例句I'll never do that again; I've learned my lesson! 我再也不做那种事了，我已有了教训！ She'd been stupid,but she'd learned her lesson. 她很愚蠢，不过她已经得到教训了。 I've learned my lesson; I've now got a burglar alarm and a guard dog. 我已经得到教训了，我现在有了个防盗铃和一只警犬。 leave alone 放任，顺其自然；不烦扰，不干涉 例句Leave the child alone; you're always picking at him. 不要管那孩子，你总是找他的茬儿。 I cannot bear to leave him alone. 我不忍心让他独自留下。 She wants to think things out quietly, so we had better leave her alone. 她要安静地考虑一下，最好别打扰她。 On a hot summer weekend, Jorge Ayub saw the public beach north of Boston already crowded with nearly 1 million people drawn to the annual sand sculpture festival. Traffic on the nearby road was heavy, bands played music loudly, and later that night fireworks would light up the beach. And on the sand were four pairs of tiny shorebirds. These chicks(小鸟) were still too young to fly and a precious addition to the national effort to save a bird once down to 139 pairs in Massachusetts. It was Mr Ayub’s job. “Everyone made it，” Ayub, a coastal ecologist reported at the end of the long weekend watching over the nests. Once common, piping plovers(笛鸻) were hunted and then squeezed out of their habitats by coastal development until, in 1986, the federal government listed the Atlantic Coast birds as threatened. The bird’s recovery has been halting. After three decades, the Atlantic population stands just under the 2，000－pair goal set by federal law. But the star has been Massachusetts, which has seen plovers increase to 687 pairs from 139 pairs in 1986. One reason for that: “chick－sitting” in which conservationists sometimes spend all day watching over the birds. That progress has made Massachusetts the only East Coast state that decided to relax some Endangered Species Act restrictions: for example, to reduce the fenced－off areas and vehicle limits that have annoyed residents(居民)． “Look at this stretch(一片土地)，” Ayub says. “We had six nesting pairs between here and that bathhouse 600 yards away. By regulation, each nest should have 100 yards of fencing. We could have put up fencing and closed the beach all the way to the bathhouse.” Instead, the plovers are surrounded in much smaller areas by “symbolic” fencing. None of the 52 seawall entrances to the beach are closed. “If we put up too much fencing, people will be upset, and they are going to destroy it or walk right through the nesting areas，” Ayub says. “By opening the beach, people are happier and the species does better.” 5. What was Jorge Ayub doing at the beginning of the text? A. Directing traffic. B. Looking after some birds. C. Enjoying fireworks. D. Watching some bands perform. 6. Which of the following best explains “halting” underlined in Paragraph 3? A. Complete. B. Important. C. Similar. D. Slow. 7. What do we know about Massachusetts? A. It has done well in protecting piping plovers. B. It encourages the residents to keep piping plovers. C. It is an important habitat for wildlife. D. It allows ecologists to test certain species of birds. 8. What might be Jorge Ayub’s attitude to “symbolic” fencing? A. Uninterested. B. Disapproving. C. Supportive. D. Doubtful. 答案与解析 【语篇解读】 本文是一篇说明文。马萨诸塞州得力的保护措施使得笛鸻这种濒危的鸟类数量大幅回升。 5. 答案 B 解析 推理判断题。根据第二段中的“a precious addition to the national effort to save a bird once down to 139 pairs in Massachusetts”和“Ayub, a coastal ecologist reported at the end of the long weekend watching over the nests”可推知，Jorge Ayub正在看护新生的笛鸻。 6. 答案 D 解析 词义猜测题。根据画线词后面的“After three decades, the Atlantic population stands just under the 2，000－pair goal set by federal law.”可推知，笛鸻数量的恢复速度很缓慢，没有达到预期的目标。 7. 答案 A 解析 细节理解题。根据第四段中的“But the star has been Massachusetts, which has seen plovers increase to 687 pairs from 139 pairs in 1986.”可知，马萨诸塞州在保护笛鸻方面取得了很好的成绩。 8. 答案 C 解析 推理判断题。根据最后一段中Jorge Ayub所说的话可推知，他支持修筑这些象征性的篱笆。 
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