Traditional Culture Encyclopedia - The 24 Solar Terms - Read Figure 1 "Schematic Diagram of Earth Revolution", Figure 2 "Earth Illumination Map" and related materials, and answer the following questions. (10) September 25, 2008, China "God"

( 1)BD？

Read Figure 1 "Schematic Diagram of Earth Revolution", Figure 2 "Earth Illumination Map" and related materials, and answer the following questions. (10) September 25, 2008, China "God"

( 1)BD？

Read Figure 1 "Schematic Diagram of Earth Revolution", Figure 2 "Earth Illumination Map" and related materials, and answer the following questions. (10) September 25, 2008, China "God"

( 1)BD？

(2)8 o'clock

(3) The Tropic of Cancer and its north area AC

(4) South ②

(5) The days are short and the nights are long, and the days are getting shorter and shorter. ?

(6) Answer

Test analysis:

(1) The world is divided into days and nights. The direct point of the sun is located at the equator, and the solar terms are vernal equinox or autumnal equinox, so BD is filled in.

(2) According to the local time meridian 0, it is 0:00, so Beijing time is 8:00.

(3) The direct point of the sun in Figure 2 is located in the Tropic of Cancer, which is the summer solstice in the northern hemisphere. Therefore, for position A in Figure 1, the place with the highest sun height at noon is the Tropic of Cancer and its north area. A is located in the Tropic of Cancer, with a midday sun height of 90, and B is located at the equator, with a midday sun height of less than 90, which is not the shortest figure. According to the position of the terminator line, a place sees the sunrise after b place, and c place is located in the Antarctic circle, which leads to the phenomenon of extreme night, so choose AC option in this question.

(4) The flight date of Shenzhou VII is September 25th, 2008. The direct point of the sun is located in the southern hemisphere, and it moves to the south, which is located in the ② section of the figure 1.

(5) During the space flight of Shenzhou VII, the direct point of the sun was located in the southern hemisphere and moved to the south, so the days in the northern hemisphere were shorter and the nights were longer, and the days became shorter and shorter.

(6) During the earth's revolution from B to C, the date changed from September 23rd to February 22nd of 12, which was close to the perihelion, but did not arrive, and the revolution speed gradually accelerated, so option A was selected.

Comments: The calculation of local time needs to pay attention to the location of things. The description of the length of day and night is different, which mainly depends on the position and movement of the direct point of the sun.

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