Look at the picture and answer the following questions. (1) Mark the direction of the earth's revolution in the diagram. (2) Mark the names of solar terms represented by A, B, C and D in the figure. A

Look at the picture and answer the following questions. (1) Mark the direction of the earth's revolution in the diagram. (2) Mark the names of solar terms represented by A, B, C and D in the figure. A _ _ _ (1) The direction of the earth's revolution is from west to east.

② One is the summer solstice; B is the autumn equinox; C is the solstice of winter; D is vernal equinox.

(3) When the earth revolves to location A, the direct point of the sun is on the tropic of cancer. For most parts of the northern hemisphere, the height of the sun is the highest at noon, the longest during the day, and the ground gets the most heat. The northern hemisphere is in summer.

(4) March, April and May are spring in the northern hemisphere every year.

So the answer is:

( 1)

(2) Summer solstice; Autumnal equinox; Solstice of winter; Vernal equinox;

(3) summer;

(4) spring.