問題詳情：
根據所給漢語和句子意思，用英語補全句子。
we all know, waste water and gas ______________________(對……有不良影響)the environment.
2.A pair of pandas __________________(贈送)to Australia months ago, which represents the friendship between Australian and Chinese people.
3.---Do you often use Baidu ?
---Yes, it’s one of ____________________________(最受歡迎的)Internet search engines.
【回答】
a bad effect / bad effects on
given / donated most popular
知識點：漢譯英
題型：完成句子
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