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        1. 【題目】有了"北斗", 中國(guó)就不必再依賴外國(guó)的定位系統(tǒng)了。

          China no longer has to ________ ________ foreign positioning systems with Beidou.

          【答案】depend on

          【解析】

          根據(jù)情態(tài)動(dòng)詞has to可知填動(dòng)詞原形;短語(yǔ)depend on:依賴,依靠,取決于。結(jié)合句意可知填(1depend (2)on。

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