On February 10, 2006, China Space Agency confirmed the image of China's lunar exploration project, and abstractly outlined a bright moon with China's calligraphy.

A, let the mass of the moon be m, the mass of the earth be m, and the distance from the moon to the earth be r, according to the law of universal gravitation:

The gravitational force between the earth and the moon F=GMmr2,

Suppose that human beings "immigrate" to the moon continuously. After a long time, M increases and M decreases.

According to mathematical knowledge, when M and M are close, the attraction between them is larger. When their mass difference decreases gradually, the product of M and M will increase, and the attraction between them will also increase, so A is wrong.

B suppose that human beings "immigrate" to the moon continuously, and after a long time, the moon and the earth can still be regarded as uniform spheres, providing centripetal force according to gravity;

GMmr2=m？ 4 π 2R2 = mA

T=2πr3GM？ a=GMr2

Suppose that human beings "immigrate" to the moon continuously. After a long time, M increases and M decreases.

Therefore, the period of the moon's movement around the earth will become longer, and the centripetal acceleration of the moon's movement around the earth will become smaller. Therefore, b and c are correct.

D on the surface of the moon, according to the principle that gravity equals gravity:

GMM’R2 = m’g

g=GmR2

Suppose that human beings "immigrate" to the moon continuously. After a long time, M increases.

So the acceleration of gravity on the surface of the moon will increase, so D is correct.

This question is not correct, choose a.