【单选题】The phrase 'down to earth' means______.
【单选题】According to the passage, the word 'geoid' probably means______.
A.
the Earth's gravitational potential
B.
the uneven distribution of mass on the Earth
C.
the global mean sea level
D.
the surface of the Earth
【单选题】By 'hydrosphere' the author means ______.
A.
the moisture in the air
B.
the part of the earth covered by water
D.
the frozen waters of the earth
【判断题】古代人言谈和书写时遇到君父尊亲的名字一般要设法回避,用别的词语来代替,称之为避讳,避讳有公讳和私讳之分。避讳一般可采用改字、空字、缺笔、改读等。
【判断题】古代遇到君父尊亲的名字要设法改字、空字、缺笔、改读
【单选题】This means that an object ______ 120 kilograms on the earth will only weigh 20 kilograms on the moon. [ ]
【简答题】请仔细阅读这篇文章,然后做题。 The Earth Earth means many things to the people who live on it. A farmer thinks earthis soil for growing vegetables and fruits. A person who makes roads thinks earth is mountains of ha...