A
B
Xiao Liuying is an old man living in a village near the Yangtze River. He used to be a fisherman. But now he is head of a voluntary( 志愿的) team that cleans waste from the Yangtze River.
To protect finless porpoises(江豚) and the Yangtze River, the government has stopped people from fishing on the river. In 2019, Xiao Liuying formed the voluntary team with 12 other fishermen. Today the team has more than 50 members. All of them are over 60 years old. “We want to protect the river while we can, ” said Xiao.
Every week, the team go along the river to collect waste and make sure no one is fishing on the river. Some of the waste they collect is sent to the disposal station, while some that can be reused is sold. So far, they have cleaned over 50 tons of waste. Thanks to their hard work, the Yangtze River is getting clearer.
C
The local people of La Gomera can carry on conversations by whistling (吹口哨) from far away. For face-to-face conversation, they speak Spanish. But when they need to speak over a distance( 距离),they whistle.
La Gomera is a small island. This island almost shaped like a circle. It is very mountainous. Walking from one place to another may be a slow and difficult job. That is why whistling is so useful to the local people. A message can easily be whistled over a couple of miles, while to travel that same distance on foot might take an hour.
A good whistler can be heard and understood five miles away. His whistling can be heard even farther away when it is windless. It is said that the record is about nine miles. Anyone who has heard a top whistler will agree that this record is quite possible.
A whistle travels farther than a shout, and is easier to understand. When a person shouts, he cannot pronounce his words well. But if a whistle is heard, it will be heard clearly.
Whistling is popular at La Gomera, and many methods of whistling are used...
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