Read the following article and complete the following questions. Night trip?

(1) The author uses "night walking" as the clue of this article, which is a thread through the beads. He writes about the "various hues" of Shanghai at night, the manner of the passengers on the tram and the attitude of the police towards people, the impression of small shops, and finally the expectation of dawn. All these thoughts and thoughts are organized by walking on the streets of Shanghai at night.

(. The image shows that after seeing the impetuousness, roughness and ugliness of the world clearly, the heart is calm, and we should treat the good and evil of life correctly.

(3) ① The simple and complacent life feeling of Shanghai is divorced from luxury, vanity, fraud and war. ② The simple life of ordinary people brings people a kind, quiet and peaceful feeling.

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Read the following.

Walking at night

Ke Ling

① When the night is quiet and the lights are dim, I often feel a subtle joy when I come out of the busy field and walk alone.

(2) The street is cold and empty, as if it were in a lonely Qiu Jiang, with a flat boat; Occasionally, a car flies by, which reminds you of Sha Ou skimming over the water. And far from the corner, the traffic lights are a little scarlet, just like a maple leaf falling in the sky, and the wild geese are red alone on the shore.

(3) The daytime in Shanghai surges with the torrent of survival competition, while the evil flowers often bloom in the dark. Mysterious night covers everything, but we can still see the various hues of this paradise on earth with our imaginary eyes. It must be the most exciting moment on the dance floor at this moment. Jazz fills the air in the dark light, and people are the narrowest, smirking and pretending to be happy, relying on the dancers' leisurely whispers. Those who sold their labor collapsed in the straw shed and came to comfort them with ridiculous dreams. How beautiful and happy, the kingdom of dreams! However, some people are still shocked by the ugly face in their dreams, and they wake up from the whipping with cold sweat. Night workers are busy with heavy drooping eyelids and noisy machinery. Desperados and rogues may be engaged in theft and plunder, or they may be grabbing their opponents' lives in the dark for the sake of their masters' rivalry. Perhaps there are losers on the battlefield of life who, with the sorrow of the end, commit themselves to the turbid flow of Huangpu River and stir up a small wave, and everything returns to peace. We can also see that in the secret of lights like beans, there are people who are risking their lives for lofty ideals; Unfortunately, among them, they were brutally executed in the dark suburbs of the moon and the stars. ......

④ As you can imagine, the fact is being reproduced in this way; But in front of me, it is calm. -Shanghai is a sea of people, and the world of mortals covers the sun. This is the only quiet moment.

⑤ The noisy air makes the mood impetuous, the complicated personnel make the soul rough, and the ugly reality wears away the human nature. Only at this moment, it is like a filtered lake after a storm, with clouds and sky, and it is as quiet as a mirror. Although there are few people on the road, you will never feel lonely.

⑥ When sitting on the last cold tram, there are often only passengers who come back in twos and threes, and they look carefree and sit opposite each other, as if they are unwilling to give up their words. The ticket seller took out the ticket money from under the car seat at leisure, piles of shiny silver horns and dark yellow copper coins, patiently counted them, and prepared to pay the bill as soon as he entered the factory and go home to rest. Occasionally chatting in boredom, casually, as if everyone were familiar friends: the unnecessary gap between ticket sellers and passengers during the day has disappeared at the moment.

⑦ The rickshaw driver who was dragging an empty car gave a walk, and the policeman stood quietly under the police booth, no longer glaring at the rickshaw driver and eyeing him. Seeing this state of mutual peace and peaceful coexistence, I often have an inexplicable impulse to run up and talk to them, exchange a little innocent comfort and pour out a little admiration.

⑧ If your stomach is empty, you can run into a small shop at will and be a guest. The shop is small, and the shop is full of salt. It doesn't cost much, but it can be fully replaced. There is no expensive western food here, full of Han banquets, fine Su Yang, delicacies and delicacies. But you go and see the diners around you, a bowl of beef soup, a bowl of Yangchun noodles, and some of them are dried for nothing, and they are savoring the satisfaction of ordinary people. In the face of that kind of carefree expression, you can't help but taste a kind of sour, bitter and slightly sweet world taste from your heart, and at the same time think of that vulgar poem, which is really "Everything is not as good as a cup in your hand, how many months does life take the lead?"

pet-name ruby browse the scenery of the pavement, and you will "have a special taste in your heart". The quaint furnishings, greasy and worn-out tables and chairs, big bowls with blue edges, small small handleless wine cups with birthday flowers, mighty portraits of Guan Gong on the wall, discerning knives on the chopping block, red beef, and blazing flames on the stove flashed on the greasy guys' faces and shouted loudly. ..... This scene will make you naturally think of the scene described in Water Margin, and return to distant ancient times in a trance.

⑩ The intrigue has temporarily subsided, and the cruel war has hung up the short-term war-free card.

? In the dead of night, the giant of Shanghai fell asleep, giving us a moment of silence. But what we are looking forward to is not this confusing fantasy, but the dawn that shines in the morning. In 1935 (selected from Ke Ling's Prose Collection), it was noted that the pass was (described) low and narrow.

(1) what is the clue of this article? Please make a brief analysis.

(2) Appreciate the underlined sentence in paragraph (5) in the context: Only at this moment, it is like a lake filtered after a storm, with clouds and sky, and it is quiet and clear as a mirror.

(3) The author browsed the pavement, saying, "Don't have a taste in my heart". Please analyze what kind of "taste" this is.