But,headds,thisnewtechnologycreatesamoraldilemmathatcouldslowitsacceptance. Makersofdriverlesscarsareinatoughspot,Bonnefon?sgroupwarns.Mostbuyerswould wanttheircartobeprogrammedtoprotecttheminpreferencetootherpeople.However, regulationsmightonedayinstructthatcarsmustactforthegreatergood.Thatwouldmeansaving themostpeopl...
进口原版 > Children's Books(儿童图书) > 英文原版 What on Earth? Wind 地球上有什么?water wind 风水 探索创造实验活动书 地球上有什么?水【Water】 剑津图书专营店 英文原版 What on Earth? Wind 地球上有什... 该商品已下柜,欢迎挑选其他商品!
. This rushing air is wind. When the sun keeps shining, there will be wind on the earth. People can use wind to do work for them. Children use wind to fly kites. Sailors on ships use wind to drive their boats. Some places use windmills(风车) to make energy. ...
We live on earth, and the earths environment is protected by everyone. Head is LanYingYing day, is at the foot of green land, the majestic beauty of high mountain, the flow of water on the bottom, the tall green trees, the bright beautiful flowers, the earths favor of human is so bea...
Where does the wind come from? What makes the wind move all the time? Scientists tell us that it is the sun.That makes air move, and makes it blow.When the sun shines on the earth, it makes the earth hot.Then the earth makes the air hot.When the air becomes hotter, it also beco...
Where does the wind come from?What makes the wind move all the time?Scientists tell us that it is the sun that makes air move,and makes it blow.When the sun shines on the earth,it makes the earth hot.Then the earth makes the air hot.When the air becomes hotter,it also becomes ...
s heat. This creates the opposite situation, i.e. high atmospheric pressure over the oceans. So the air flows from high pressure over the ocean to the lower pressure areas over land. A similar process occurs on a larger scale with temperature differentials between the earth’s poles and the...
One child created “water” that flowed into a “lake”; another child put grass in a way to represent “wind”; and yet another child tried hard to create shade... 3 That was why they took great interest when they created their small gardens. They spent a wonderful time together with...
Where does the wind come from? What makes the wind move all the time? Scientists tell us that the sun makes it move and blow. When the sun shines on the earth it makes the earth hot. Then the earth makes the air hot. When the air becomes hotter it also becomes lighter. The light...
The first is the El Niño/La Niña cycle. During an El Niño, in which ocean water around the northwestern coast of South America becomes warmer than usual, Atlantic hurricanes are suppressed, while La Niña creates more favorable conditions for hurricanes, Bell said. ...