选项A中提及重力对于平衡感起到了举足轻重的作用,与文章信息一致。故答案为A。相关推荐 1What can be inferred from Paragraph 4 about gravity? A. Gravity has an essential role in the sense of balance. B. The ear converts gravity into sound waves in the air. C. Gravity is a force that ...
Gravity is a force that we experience every day, yet it remains somewhat of a mystery. It's the reason we stay grounded on Earth and why objects fall when dropped. Although there are several theories attempting to explain gravity, scientists still don't completely understand it. In this arti...
The force of gravity, which is always present, affects everything on Earth. This is an example of a sentence with a(n) ___ clause. A. restrictive relative B. non-restrictive relative C. adverbial clause D. noun clause 相关知识点: 试题来源...
the force which attracts the earth towards the sun.47. When you slip(滑) you always fall to the ground because___ A. the earth always turns round. B. the earth has gravity C. the earth’s gravity is greater than your weight. D. you are careless.48. Gravity is strong that___ A...
The Earth has a force that pulls things toward itself. We call this force gravity(地心引力). This is something we live with all the time, and we take it for granted and hardly ever think about it. But it is a most important factor in rocket operation and must be overcome if we are...
后文“The moon doesn’t have enough gravity to keep an atmosphere around it, so it’s in a near vacuum. ”(月球没有足够的引力来保持周围的大气层,所以它处于一个接近真空的状态。)提到月球上没有大气。所以可推知,空白处描述的是月球上存在的问题。选项A.“This is the problem the moon has.”...
Gravity is one of those things we take completely for granted. And there are two things about it that we take for granted: the fact that it is always there, and the fact that it never changes. If the Earth's gravity were ever to change significantly, it would have a huge effect on ...
Noun1.centre of gravity- the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass center of gravity midpoint,centre,center- a point equidistant from the ends of a line or the extremities of a figure ...
If gravity is a field, why do fields accelerate objects. If particles are actually following a minimum interval path is a curved space-time continuum (a la Einstein), why do they do that. In short, it is always possible to eventually get to an unanswerable question. One possible answer ...