( )4.Whatdoestheunderlinedword“threadbare”meaninthesecondparagraph? A.Wornout. B.Outofdate. C.Fashionable. D.Fancy. B 语篇类型:新闻报道 主题语境:人与社会 词数:342 难度:★★★ (2022·江苏省马坝高级中学高二期中)Chinahassetnewruleslimitingtheamountoftime childrencanplayonlinegames.Theruleslimitch...
[translate] aWhat does the phrase ″pass away″ mean in the passage? 词组″通过什么″意味在段落?[translate]
Does it really matter either way? The reason that it matters is because when you are trying to get people interested in astronomy you need to be a good storyteller. You need to embellish things occasionally because people (especially kids) enjoy that. You might just say something to a young...
How does space-time collapse? What does space-time prism mean? What is the age of the universe and how is it measured? What is relativistic quantum mechanics? How old is the universe in Planck time? How fast does alpha radiation travel?
8:53 What does it mean for the transit of Io to be “twenty minutes ahead of schedule” when Jupiter is in opposition (Jupiter is opposite to the Sun when viewed from the Earth)?Actually, it should be halved to “ten minutes ahead of schedule”, with the transit being “ten minutes ...
On what factor does the accuracy of your observation depend? Accuracy: Accuracy can be defined as the extent up to which observed reading is near to the accurate readings. High accuracy is in demand for better results. Accuracy is not compromised in high-risk areas. Accuracy is a valuable ...
What dark energy does (and doesn't) do? This graphic shows a timeline of the universe based on the Big Bang theory and inflation models.(Image credit: NASA / WMAP Science Team) If dark energy is causing the universe to expand at an accelerating rate, shouldn't we see our coffee mug ...
The mean estimates for H0 in Planck (around θH), SNe Ia (pink) and SNe II (cyan) are shown as shaded 68% confidence regions. The angle for SNe corresponds to the radial distance to the CMB projected in the CMB sky. Yellow filling shows the BHU prediction in Eq. (8) with Λ ...
If GN-z11 has a redshift of 11, and that is assumed to mean that it is being seen by us now by light that it emitted (13.8 billion minus 0.4 billion =) 13.4 billion years ago, this distance must be calculated on where and at what speed it is theorized to be now, not when it...
What does it mean when something is 4 or 5 light years away from us? Why do stars fall? What is the twinkling effect of starlight from? What happens when stars run out of hydrogen? Describe the main features of stars. What causes the northern and southern lights? Whic...