高一英語：知識點總結Unit3-4(17)
2. Eco-travel is a way to find out what can be done to help animals and plants as well as people. 生態游可以找到既幫助別人.又幫助動植物的途徑。
該句中的as well as是連詞，連接兩個并列成分。例如: He can speak German as well as French.
常見的用法:
1. well是副詞，意思是“好，優秀”，as well as是形容詞 同級比較結構。
2. as well as是固定短語，意思是“和”，相當于"not only … but also..."。
3. as well as連接兩個并列成分作主語時，句子的謂語動詞應該與前面那個名詞或代詞的人稱或數保持一致。
4. as well as還可當作復雜介詞用，意思是“除了……之外，還有”;相當于"besides，apart from"。
5. as well，是副詞短語，意思是“也”，相當于“too / also”常位于句尾，與too位置相當。
6. may / might as well do sth 表示“還是……的好”。
【考例】 John plays football ____, if not better than David.
A. as well B. as well as C. so well D. so well as
[考查目標] as well as連接比較狀語從句。
[答案與解析]B 該句中 if not better than相當于插入語，起干擾作用，如果不予考慮，原句就變成了同級比較結構 "John plays football as well as David"。
3. Before she could move，she heard a loud noise. 她還沒有來得及動彈，就聽見很響的聲音。
However, before she could think twice, the water was upon her. 但還沒有回過身來，洪水便逼近了她。
該兩句中的before用作連詞，后接時間狀語從句。before用作連詞，接時間狀語從句時，表示“在……之前”。但在不同的語境中，往往有比較靈活的譯法。例如: He knocked me down before he saw me. 他差一點把我撞倒，才看到我。
(責任編輯：康彥林)
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