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The first crocodiles(鱷魚) lived on the Earth about 240 million years ago. How much do you know about these dangerous animals? Here are some amazing facts about them.
◆ The biggest crocodile is the saltwater crocodile. It can be as long as seven metres!
◆ If you take a bright light at night over a river with crocodiles inside, you will see pairs of red spots (點(diǎn)). Those are the crocodiles’ eyes. They can see well at night.
◆ When you see a crocodile with its mouth open, don’t be scared. That just tells you it’s too hot.
◆ On the beach, crocodiles get tired very quickly, but they can stay in the water for 2-3 hours.
◆ Most crocodiles can live up to 70 years old!
小題1: When did the first crocodiles live?
A．About 2,400,000,000 years ago.B．About 240,000,000 years ago.
C．About 24,000,000 years ago. D．About 2,400,000 years ago.
小題2:The writer thinks the crocodile is 　　     .
A．lovelyB．dangerous
C．funD．cool
小題3: What’s the meaning of the underlined word “scared”?
A．Happy. B．Sad.
C．Comfortable.D．Afraid.
小題4: Which of the following is right?
A．Crocodiles often open their mouths when it’s hot.
B．Crocodiles can stay on the beach for 2-3 hours.
C．All the crocodiles can live up to 70 years old.
D．The writer talks about four facts about crocodiles.

小題1:B
小題2:B
小題3:D
小題4:A

試題分析：本文敘述了鱷魚在2.4億年前就生活在地球上，最大的鱷魚是鹽水里的鱷魚，長(zhǎng)達(dá)7米，晚上鱷魚的視力也很好。當(dāng)鱷魚感到熱的時(shí)候，它就會(huì)張著嘴。它的壽命一般能達(dá)到70年。
小題1:細(xì)節(jié)理解題。根據(jù)The first crocodiles(鱷魚) lived on the Earth about 240 million years ago.鱷魚在240，000，000年前生活在地球上，故選B。
小題2:細(xì)節(jié)理解題。根據(jù)How much do you know about these dangerous animals? 可知作者認(rèn)為鱷魚是危險(xiǎn)的動(dòng)物，故選B。
小題3:詞義猜測(cè)題。根據(jù)When you see a crocodile with its mouth open可推知這里可能誤認(rèn)為鱷魚要吃人，所以人們都會(huì)感到害怕，故選D。
小題4:細(xì)節(jié)理解題。根據(jù)When you see a crocodile with its mouth open，That just tells you it’s too hot.可知鱷魚熱的時(shí)候就張著嘴，故選A。
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