5. What does the passage mainly talks about?(within 15 words).

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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 (使倾斜) 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 (猎物).

4. Which sentence in the passage can be replaced by the following?

You might have a glimpse of the others to let them make sure that you are not a danger.　

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3. Fill in the blank with proper words(within 10 words).

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2. Please translate the underlined part into Chinese.　

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1. What can be inferred from the first paragraph?(within 10 words).　

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5. Translate the underlined sentence in the second paragraph into Chinese.

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Exchange a glance with someone, and then look away. Do you realize that you have made a statement? Hold the glance for a second longer and you have made _____________. Hold it for 3 seconds, and the meaning has changed again. For every social situation, there is a permissible time that you can hold a person’s gaze without being intimate, rude, or aggressive. If you are on an elevator, what gaze-time are you permitted? To answer this question, consider what you typically do. You may likely give other passengers a quick glance to size them up and to assure them that you mean no threat. Since being close to another person signals the possibility of interaction, you need to send out a signal telling others you want to be left alone. So you cut off eye contacts what sociologist Erving Goffiman(1963)calls “a dimming of the lights”. You look down at the floor, at the indicator lights, anywhere but into another passenger’s eyes. Should you break the rule against staring at a stranger on an elevator, you will make the other person extremely uncomfortable, and you are likely to feel a bit strange yourself.

If you hold eye contacts for more than 3 seconds, what are you telling another person? Much depends on the person and the situation. For instance, a man and a woman communicate interest in this manner. They typically gaze at each other for about 3 seconds at a time, and then drop their eyes down for 3 seconds, before letting their eyes meet again. But if one man gives another man a 3-second-plus stare, he signals, “I know you”. “I am interested in you.” or “You look peculiar and I am curious about you.” This type of stare often produces hostile feelings.

4. Which of the suggestions do you think is helpful to you? Why?(Please answer within 30 words.)

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3. Please fill in the blank in the third paragraph with proper words or phrases to complete the sentence.(Please answer within 10 words.)

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

All the wishes will bring you a quiet and meaningful life.

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

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