When you watch a clock hanging on a vertical wall, the direction of angular velocity of the second hand is perpendicular to the wall and pointing outside.

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更多“When you watch a clock hanging…”相关的问题

第1题

WhenyouuseMicrosoftWindowsMediaPlayertobeginplaybackofamusicfile，youreceivethefollowingerrormessage："Youdonothavetherightstoplaythisfile."YouneedtoconfigureWindowsMediaPlayertoensureplaybackofprotecteddigitalmedia.Whatshouldyoudo？（）

A.DisabletheSetclockondevicesautomaticallyoption.

B.EnabletheAutomaticallycheckifprotectedfilesneedtoberefreshedoption.

C.EnabletheUpdatemusicfilesbyretrievingmediainfofromtheInternetoption.

D.EnabletheDownloadusagerightsautomaticallywhenIplayorsyncafileoption.

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第2题

Poetry can be compared to painting. When you look at a work of art, you first see it for what it is—a depiction of a person, an animal, a place, or a thing. You 11 notice the colors and the textures, and maybe how the light shines across a window or【M1】______ highlights a patch of flowers. These are the things what you see on【M2】______ the surface. Then you look a little close at some of the fine details.【M3】______ How did the painter make white paint to look silver against blue【M4】______ drapery? How did the artist catch that sad look in the eyes of the child? How on earth did it actually make an apple look so real that【M5】______ you could always reach out and grab it off the table?【M6】______ Now what about abstract art? What do you see in these paintings? Strange shapes and images—are they recognized? Do【M7】______ they make you feel a certain way? When you look at abstract art, maybe you don t necessary see as much as you are actually feeling. To some people, poetry is like abstract art. Some people feel that poetry is too objective to the artist for the reader to be able to【M8】______ fully understand it. How can you make the sense of words that【M9】______ dont necessarily say a story? To appreciate art, you must first【M10】______ appreciate your own sensibilities, and then you must appreciate form. and texture. With poetry, you start with an appreciation of and trust for your own feelings, and then you examine your appreciation of words and the magic they make when theyre used together.

【M1】

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第3题

You have taken another vessel in tow.You can tell that the towing speed is too fast when the ().

A.Vessels are not in step

B.Tow line feels like it is jumping when touched

C.Catenary comes clear of the water

D.Towed vessel goes in irons

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第4题

One day I can hear the faint rustle of autumn coming. The next day I can’t. One evening summer leaks away into the cool night sky, but the next morning it’s back again. But there is headway. Birdsong has gone, and is【46】______ (replace) by a whining bag-piping of insect creation. I look out across the pasture as dusk【47】______(begin) and see a shining galaxy of airborne bugs. What would it be like, I wonder, to have an【48】aware______of the actual number of insects on this farm?

I ask myself a version of this question every day: "Have you ever really looked at…?”You can【49】______in the blank yourself.

Every day I am blinded by【50】familiar______. I open our beehive, which is filled with honey, and the particularity of the honeybees, and even of their community, somehow escapes me, if only because I’ve been living with honeybees a good part of my life. I remember the phrase, "keep your eyes【51】______ (peel) , ”and maybe that’s what I need, a good peeling.

Again and【52】______, I find myself trying to really look at what I' m seeing. It happened the other afternoon, high on a nearby mountain. A dragonfly had settled on the denuded tip of a pine bough. It clung, still as only a dragonfly can be. Then it flicked upward and caught a midge and settled on the bough again, adjusting【53】______(precise) to the wind. I see dragonflies【54】______ (quiver) in the insect clouds above my pasture, too. I am always aware, however , that there’s no such thing as really looking.

What I want to see is invisible anyway: the prehistoric depth of time embodied in the form. of those dragonflies, the pressure of life itself, the web of【55】______(relate) that bind us all together. I find myself trying to【56】wit______the moment when the accident of life becomes a continued purpose. But this is a small farm, and, being human, 1 keep【57】______(come) up against the limits of what a human can see.

This morning I found a spider resting—or perhaps hunting—on the leaf of a hydrangea, the axis of the spider’s abdomen perfectly aligned with the axis of the leaf. What I noticed was the symmetry of their placement, the way spider, and leaf resembled【58】_____other. What I wanted to determine was the spider’s intent. If I【59】c______, I would have asked it, "What are you doing?” Or, better yet, "Who are you?” But all I could do was look—and realizing that I was looking—make the【60】b______of what I’d seen.

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