A. restrictive relative B. non-restrictive relative C. adverbial clause D. noun clause 相关知识点: 试题来源: 解析 B。非限定性定语从句,对先行词“force of gravity”进行补充说明,关系代词 which 引导非限定性定语从句,在从句中作主语。反馈 收藏 ...
题目 What time it is varies depending on which of Earth's time zones you are in.But what if you aren't anywhere on Earth?Scientists from the European Space Agency (ESA),a group devoted to exploring the universe,are arguing that the Moon should have its own time zon...
If you turn something around your head on a string it goes around in a circle until you let go of the string. Then it flies off in a straight line. ‘Turning off’ gravity would be like letting go of the string. Things not attached to the earth would fly off in a straight line. ...
I was born on the Moon and I have lived here with my parents since then. Our home is special.(1) (It is a house which has a huge air tank) . It provides us with oxygen. (2)(we can move around our house freely if we do not wear the special boots) because gravity is not a...
Just like on Earth, a person in space goes to bed at night and then wakes up the next day. But in space there is noup or down, and you do not feel the pull of gravity(重力). As a result, astronauts usually sleep in fixed sleepingbags.Earworms happen while sle...
This is exactly what astronomers would expect for such tiny objects. Gas is the crucial raw material required to coalesce and ignite the fusion of a new star. But ultra-faint dwarf galaxies just have too little gravity to hold onto this all-important ingredient, and it is easily lost when ...
A) During this process, how much work does gravity do on the book? B) During this process, how much work does your hand do on the book? How will the weight of an 20kg object change if it was in a lift that accelerates downwards at 4m.s-1 What is the weight...
We supposed with Archimedes that water and all the other fluid bodies surrounding the earth exert a compression towards the centre of the earth by the force of their own gravity. Consequently, they are arranged spherically about the centre of the earth. Moreover, we supposed, also with ...
As a musician and music lover, I’m always on the lookout for new bands. Over the years I’ve found music in a lot of interesting places, but I’ll always remember the way I discovered Color of Clouds. We’d all like to be famous. A few months ago, I plugged my name, , into...
2.Running man is such an funny reality show ___has the gravity to pull you in front of your television.Key:as 3.The old pictures bring them to the days ___they spent together,___ life was hard but happy.Key:that/which, when 4.Lenovo has produced a...