A: contacts
B: controls
C: contracts
D: communicates
举一反三
- The earth _______ round the sun, and the moon _________ round the earth
- ----Which is ____,the sun , the moon or the earth? ----Of course , the moon is.
- Which is ______, the sun, the moon or the earth?---Of course, the moon is ______ . A: small B: smaller C: smallest D: the smallest
- (see) ______ from the moon, the earth looks like a moon, too.
- The Moon is much closer to Earth _____ is the Sun, and thus it had greater influence on the tides.
内容
- 0
Why does the earth become cool? A: Because the sun gives the heat to the earth. B: Because the moon gives the wind to the earth. C: Because the earth rotates . D: Because the sun's heat bounces to the space.
- 1
Apparent time is based on(). A: a fictitious sun moving along the celestial equator B: the visible sun moving along the ecliptic C: the Moon's motion in relation to the Sun D: the movement of the first point of Arie
- 2
______ 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
- 3
____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
- 4
____ is known to all, the moon travels round the earth once a month. A: It B: As C: That D: What