But this does raise an interesting question, though: over the long arc of human history, how many people have ever lived? The unique and powerful visualization above, from the team at Our World in Data, highlights how many humans have ever lived, and how much of humanity is currently alive...
根据第四段Intheinnerear,thereareorgansthatarefilledwithliquidandcoveredwithsmallhairs(在内耳,有充满液体的器官,上面覆盖着小毛。)可知内耳里的器官充满了液体,上面覆盖着细小的毛发。故选D。(4)主旨大意题。根据第一段Humanshavemanyorgans,butyoucanenjoylotsofthingsbecauseofyourears.Doyouknowhowtheearswork?(...
How Many Humans Ever Lived?Tunde Fagbenle
根据第一段中的“Humans are born to compete with one another. People compare how many “likes” they have on social media. Billionaires envy multibillionaires.(人类生来就注定要相互竞争。人们比较自己在社交媒体上有多少个“赞”。亿万富翁羡慕亿万富翁。)”可知,人们喜欢竞争,会把自己和别人进行比较,...
Today there is a growing awareness that mental well-being needs to be given as much attention as physical health. More and more people are suffering from various psychological problems, which have led to many serious consequences and ...
Living in anage when modern people have never attached more importance to entertainment,many teenagers are so keen on star chasing that they may imitate their idols'way of thinking and style of dressing. What's more, they may also spare noefforts to meet their idols in person, even at grea...
HaveyoueverwonderedhowmanyantsthereareonEarth?ScientistsattheUniversityofHongKongcertainlyhave.Inanewstudy,theyestimated(估计)thenumberoftheworld'santsisabout20,000,000,000,000,000(20with15zeroes)!Thatmeansforeveryhuman,therearenearly2.5millionants.Ifyouputalltheantstogether,they'dweighmorethanallthewildbirds...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
This year has been an odd one, and many people’s fitness has suffered due to long periods of sitting or lying. That’s why Wakeout has been named Apple’s iPhone App of the Year. Wakeout’s genius is that it’s a fitness app that doesn’t require you to roll out a yoga mat, ...
W: I can't believe that duck hunting is still legal in so many parts of the world [8]. The scientific evidence from countries like Australia, Canada, and the USA clearly indicates a decline in the birds' numbers. M: But can anyone be sure if the decline is really caused by the hunt...