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1£®(2020·Ð¸߿¼È«¹ú¾í¢ñ)Museums must compete for people's spare time and money with other amusements.

2£®(2020·È«¹ú¾í¢ò)Bamboo plants are associated with health, abundance and a happy home.

3£®(2020·È«¹ú¾í¢ó)The artist was finally humbled (Ç«±°) by the greatest artist on earth, Mother Nature.

4£®(2020·Õã½­¾í)Some time after 10£¬000 BC, people made the first real attempt to control the world they lived  in, through agriculture.

5£®(2020·Õã½­¾í)Farming produced more food per person  than hunting and gathering, so people were able to raise more children.

6£®(2019·È«¹ú¾í¢ñ)Modern methods of/for tracking polar bear populations have been employed only since the mid­1980s, and are expensive to perform consistently over a large area.

7£®(2019·È«¹ú¾í¢ó)We were first greeted with the barking by a pack of dogs, seven to be exact.

8£®(2019·Õã½­¾í)But can uniforms help improve school standards? The answer to this question is not clear.

9£®(2019·Ìì½ò¾í¸Ä±à)In spite of all the problems, several of the players produced excellent performances.

10£®(2019·Ìì½ò¾í¸Ä±à)We can observe that artificial intelligence has already made an impact on our lives in many ways.

11£®(2019·±±¾©¾í)First celebrated in 1970, the Day now includes events in more than 190 countries and regions(µØÇø).

12£®(2018·È«¹ú¾í¢ó)I was searching for these three western lowland gorillas I'd been observing.

13£®(2018·½­ËÕ¾í¸Ä±à)Developing the Yangtze River Economic Belt is a systematic project which calls for a clear road map and timetable.

14£®(2018·½­ËÕ¾í¸Ä±à)China's soft power grows in line with the increasing appreciation and understanding of China globally.

15£®(2018·±±¾©¾í)—Good morning, Mr.Lee's office.