【題目】When people need information ,from the news and weather forecasts to travel packages and academic research, the Internet is now the first source they.

【答案】turn to
【解析】句意：當(dāng)人們需要查找新聞、天氣預(yù)報(bào)、旅游信息、學(xué)術(shù)研究等信息時(shí)，網(wǎng)絡(luò)成為人們第一個(gè)選擇求助的資源。本句是由when引導(dǎo)的一個(gè)時(shí)間狀語從句, 主句是the Internet is …；主句中包含一個(gè)定語從句，先行詞為the first source，由于先行詞在定語從句中充當(dāng)賓語，關(guān)系詞that被省略。根據(jù)句意是“向…求助，轉(zhuǎn)向”。因此填turn to。

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