Get solar terms

Question 1:D

Question 2: D.

Question 3:B

This topic examines the revolution of the earth.

Question 1: According to the position of the sun's direct point

Question 1:D

Question 2: D.

Question 3:B

This topic examines the revolution of the earth.

Question 1: According to the position of the sun's direct point in the picture, the sun's direct point at point C is located on the tropic of cancer, so it is judged as the summer solstice in the northern hemisphere.

Question 2: Figure C stands for the summer solstice, D stands for the autumnal equinox, A stands for the winter solstice, and B stands for the vernal equinox, so around the National Day, the revolution of the earth lies between the autumnal equinox (D) and the autumnal equinox. The direct point of the sun is located in the southern hemisphere; On the other hand, because the earth's revolution was in the process from distant day to perihelion in June of 10, the revolution speed gradually accelerated.

Question 3: On the vernal equinox, when the direct point of the sun is at the equator, the termination line coincides with the meridian.