______ the earth to be flat, many feared that Columbus would fall off the edge of the eart
A.Having believed
B.Believing
C.Believed
D.Being believed
A.Having believed
B.Believing
C.Believed
D.Being believed
第1题
A.the earth’s surface
B.the surface of earth
C.the earth surface
D.the surface of the earth
第2题
It can be learned from the passage that about four billion years ago ______.
A.the earth was in molten state
B.the earth surface temperature was above 100℃
C.the earth surface temperature was below 100℃
D.rain water could remain on the earth
第4题
A.inside the earth
B.inside earth
C.inside an earth
D.on earth
第5题
The best title for this passage is ______.
A.The Origin of Life on Earth
B.Life Forms on Earth
C.The Discovery of Life on Earth
D.The Preservation of the Past Life on Earth
第6题
The article suggests that______.
A. our earth exists before the sun
B. how space formed
C. no one knows where the earth comes from
D. our earth used to be part of a high mountain on the sun
第7题
A.is influencing
B. influences
C. will influence
第8题
A.What else is
B.Is there anything
C.What's left
D.What on earth is
第9题
Aluminum is found on earth mostly in the form. of ______.
A.pure metal
B.bauxite
C.gold
D.liquid
第10题
A.It
B.As
C.That
D.What
第11题
The purpose of Earth Day is ______.
A.to help people memorize the earth
B.to help people to learn how to protect the earth
C.to unite all the people on the earth
D.all of the above