______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.(1.0)
A: It is the sun and not the earth
B: Being the sun and not the earth
C: The sun and not the earth
D: That the sun and not the earth
A: It is the sun and not the earth
B: Being the sun and not the earth
C: The sun and not the earth
D: That the sun and not the earth
举一反三
- ____isthe center of our planetary system was considered as heresy by the church in the Middle Ages. A: It is the sun and not the earth B: That the sun and not the earth C: Being the sun and not the earth D: The sun and not the earth
- The earth _______ round the sun, and the moon _________ round the earth
- ______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.
- The sun heats the earth, ________ we all know.
- The teacher said that the earth（ ）around the sun yesterday.