閱讀所給短文，并根據(jù)短文后題目的要求進(jìn)行簡答。

　　Comic book superhero Spider–Man uses tiny hairs on his fingertips to climb up walls．But he could have had another secret weapon to help him stick．

　　Scientists have now found that some spiders can also make silk in their feet, which may sometimes help them get a firmer grip on a surface．

　　Spiders are good at gripping walls with their legs．Thousands of little hairs on their feet make it possible．To test whether spiders also make these hairs wet to improve grip, scientists watched zebra tarantulas crawl up glass slides．

　　When they tilted(使傾斜)a glass slide until it was almost vertical, the spider slipped a few millimeters before attaching itself again．The scientists were surprised to see little threads stretching from its feet to the slide．When they studied the spider’s feet under a special microscope, they found tiny silk–shooting spouts(吐出)among the hairs．

　　This was a surprise because scientists had previously thought spiders only use special organs near their stomachs to make silk．

　　It’s possible that, a long time ago, feet were the first body parts of spiders to produce silk．Only later in their evolutionary history did spiders develop spinnerets on their abdomens to produce silk for webs．

　　If so, the researchers say, this could mean that the silk’s original purpose was to, rather than to build homes or trap prey(獵物)．

(1)

What is the best title of the passage? (Please answer within 10 words．)

(2)

Which sentence in the passage can be best replaced by the following one?

It has been discovered that the silk spouted from the feet of the spiders can assist them to get attached on objects．

(3)

Fill in the blank with proper words or phrases．(Please answer within 10 words．)

(4)

Translate the underlined sentence into Chinese．

(5)

What can you learn from this discovery?(Please answer within 20 words．)

答案：
解析：

(1)

　　Sticky Silky Feet/Spiders with Silky Feet

　　(評分要求：依據(jù)與文章整體內(nèi)容的相關(guān)程度酌情給分，關(guān)鍵詞silky feet)

(2)

　　Scientists have now found that some spiders can also make silk in their feet, which may sometimes help them get a firmer grip on a surface．

　　(評分要求：要求準(zhǔn)確找出以上的句子)

(3)

　　Help spiders climb and stick

　　(評分要求：要求給出的答案要保持與上下文的連貫性，而且與參考答案的意思相近)

(4)

　　當(dāng)他們把玻璃幻燈片傾斜到幾乎垂直的時候，這只蜘蛛才往下滑了幾毫米，然后很快又粘住了。

　　(評分要求：要求在準(zhǔn)確、全面的基礎(chǔ)上，翻譯成較為通順的漢語)

(5)

　　From this discovery we can see that there is no limit to the development of science．/We can learn that people need to observe carefully if they want to make any discovery．/It can be concluded from this story that curiosity can be the eternal motivation of science．

　　(評分要求：只要給出上述答案中的任何一條即可得分)


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　　Comic(喜劇的)book superhero Spider-Man uses tiny hairs on his fingertips to climb up walls．But he could have had another secret weapon to help him stick．

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