(1)A The Himalayan Mountains are in the shape of an arc bulging toward the south, with an average altitude of more than 6,000 meters. Mount Everest, located on the border between China and Nepal, is 8,848 meters above sea level and is the highest peak in the world. Picture B is the north slope, because the north slope is a leeward slope with less precipitation, so the vegetation is sparse. Picture C is the south slope. Because the south slope is a windward slope, it receives more precipitation and therefore has dense vegetation;
(2) Affected by the summer monsoon, precipitation gradually decreases from the southeast coast to the northwest inland;
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(3) Tuokxun is located in the inland northwest of my country, far away from the ocean, and blocked by tall mountains, making it difficult for moist air to reach, so precipitation is scarce all year round. Huoshaoliao is located in the northeastern part of Taiwan Island and is directly affected by the summer monsoon. It is also located on the windward slope of the mountainous area and receives abundant rainfall. Therefore, it has become the place with the largest annual rainfall in my country.
So the answer is: (1) A is the Himalayas, Figure B: North slope, the north slope is the leeward slope, with less precipitation, therefore, there is sparse vegetation; Figure C: South slope, the south slope is the windward slope , there is a lot of precipitation, so the vegetation is dense;
(2) It decreases from the southeast coast to the western inland;
(3) Tuokxun is located in the northwest inland of my country, far away from the ocean. Coupled with the obstruction of tall mountains, moist airflow is difficult to reach, so precipitation is scarce all year round. Huoshaoliao is located in the northeastern part of Taiwan Island and is directly affected by the summer monsoon. It is also located on the windward slope of the mountainous area and receives abundant rainfall. Therefore, it has become the place with the largest annual rainfall in my country.