Solar term letter painting

Question 1:D

Question 2: D.

Question 3: A.

Question 4:C

Question 1: This question examines the position of the earth in the orbit of revolution

Question 1:D

Question 2: D.

Question 3: A.

Question 4:C

Question 1: This question examines the position of the earth in the orbit of revolution from the bisector to the sun. According to the chart: A is the winter solstice, B is the vernal equinox, C is the summer solstice, and D is the autumn equinox. So choose option d in this question.

Question 2: This question examines the position of the direct point. On the vernal equinox (around March 2 1) and the autumnal equinox (around September 23), the sun shines directly on the equator, on the summer solstice (around June 22), on the tropic of cancer, on the winter solstice (around June 22), and on the tropic of cancer. On National Day (10, 1), the earth is located between orbit D and orbit A, and the direct point of the sun is in the southern hemisphere, and it moves south. So choose option d in this question.

Question 3: This question examines the date boundary. There are two date dividing lines on the earth, one is longitude 180 and the other is longitude 0:00. Beijing time is March 2 1 day 12, and local time 180 meridian is March 2 1 day 16, so the range of March 2 1 day is 16 hours and March 20. So choose option a in this question.

Question 4: Turning to position A is the winter solstice, winter in the northern hemisphere and summer in the southern hemisphere. Sydney is rainy; Winter wheat in North China Plain; The Yangtze River is in the dry season, and the salinity of the estuary is very high. The current in the North Indian Ocean is counterclockwise. So this question chooses option C.