Ⅰ.单句填空
1.(2020·全国Ⅱ卷)Orange trees are more decoration;they are a symbol of good fortune and wealth.
2.(2020·全国Ⅱ卷)Bamboo plants are associated health,abundance and a happy home.
3.(2020·全国Ⅲ卷)The artist was finally humbled(谦卑) by the greatest artist earth,Mother Nature.
4.(2020·新高考全国Ⅰ卷)Museums must compete people’s spare time and money with other amusements.
5.(2019·全国Ⅰ卷)Modern methods tracking polar bear populations have been employed only since the mid-1980s,and are expensive to perform consistently over a large area.
