At 8: 58 (Beijing time) on February 26th, 65438, an earthquake occurred off the northwest coast of Sumatra Island, Indonesia (3.9 N, 95.9 E) and triggered a sea.

Question 1:D

Question 2: A

At 8: 58 (Beijing time) on February 26th, 65438, an earthquake occurred off the northwest coast of Sumatra Island, Indonesia (3.9 N, 95.9 E) and triggered a sea.

Question 1:D

Question 2: A.

Question 3:B

Question 4: D.

This topic examines the revolution of the earth.

Question 1: The material reflects that the earthquake occurred on February 26th, 65438, and the earth's revolution should be near the winter solstice. In story D, the direct point of the sun is located on the tropic of Capricorn, indicating the winter solstice.

Question 2: According to the position of the sun's direct point in the picture, the sun's direct point at position B is located on the tropic of cancer, indicating the summer solstice in the northern hemisphere, and the sun's direct point at position D is located on the tropic of cancer, indicating the summer solstice in the northern hemisphere. So a stands for vernal equinox.

Question 3: At noon in the southern hemisphere, the height of the sun reaches the minimum value in a year, which is the summer solstice in the northern hemisphere, so it is the B position.

Question 4: The revolution speed of the earth is at perihelion (65438+1early October), and it is the fastest near the winter solstice.