2023年北京卷
B
阅读下面短文，根据短文内容填空。在未给提示词的空白处仅填写1个恰当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。
Mangroves, known as “red forest” in China, grow between land and sea, characterised by their complex roots. When ____14____(see) from afar, the mangrove forests appear more splendid.
Mangroves can help soften waves and protect ____15____(city) from coastal winds. For these reasons, they are praised as “coastal guardians”. Up to now, China ____16____(establish) a number of protected areas with mangroves.
答案解析：
14. seen
解析：这里需要用到过去分词作状语，表示被动意义，即“从远处看红树林”。主语"The mangrove forests"与动词"see"之间是被动关系，所以使用"seen"。
15. cities
解析：这里需要用到名词复数形式，因为它们是保护多个城市免受海岸风的影响。"City"的复数形式是"cities"。
16. has established
解析：根据句子的时态，这里应该使用现在完成时态，表示中国已经建立了多个红树林保护区，并且这个动作对现在有影响。"Establish"的现在完成时态是"has established"。
答案：seen, cities, has established
