The center of the circle is the pole, the shadow part is the night hemisphere, and the termination line coincides with the dividing line between the eastern and western hemispheres. Answer the followi

The center of the circle is the pole, the shadow part is the night hemisphere, and the termination line coincides with the dividing line between the eastern and western hemispheres. Answer the following question: 1: It's too late.

Question 1:A

Question 2:C

Question 3:B

Question 1: This question examines the interpretation of the solar illumination map. On this day, the morning and evening circles coincide with the meridian circle, and the morning and evening circles pass through the pole, indicating that the direct point of the sun is located at the equator and the latitude is 0. The dividing line between the eastern and western hemispheres is 20 W and160 E, so the meridian near 180 is160 E, the central meridian of the hemisphere during the day is the meridian where the direct point is located, and the central meridians of 20 W and160 E are 70 E, so the direct point is. So choose option a in this question.

Question 2: The direct point of the sun is at the equator, and the possible solar terms are vernal equinox or autumnal equinox. If the revolution speed of the earth is gradually accelerating, the fastest revolution speed of the earth is perihelion 65438+1early October, vernal equinox 2 1, autumnal equinox 23, and gradually approaches 65438+1early October after September 23rd. According to 70 E local time, it is 12:00, and Beijing time is120 e, which is 3 hours and 20 minutes earlier than 12:00, so Beijing time is September 23rd 15: 20. So this question chooses option C.

Question 3: according to the longitude, it increases eastward to the east longitude, and the direction of the east longitude increase is the direction of the earth's rotation, so the earth rotates counterclockwise, and the pole in the picture is the north pole; The sun shines directly on the equator, and the whole world is as long as day and night; The summer solstice is at noon in Beijing, and the height angle of the sun reaches the maximum in a year; Winter wheat is planted in surabaya county, and the acquisition season of winter wheat is early summer. So this question chooses option B.