16．水將對生命發(fā)展有關(guān)鍵作用在當(dāng)時(shí)并不明顯．（it was…that…； is to； fundamental）It was not immediately obvious that water was to be fundamental to the develoment of life．．

分析 It was not immediately obvious that water was to be fundamental to the develoment of life．

解答 It was not immediately obvious that water was to be fundamental to the develoment of life．
本句提示了句式和短語，it was…that…屬于強(qiáng)調(diào)句型，很容易聯(lián)想到句式It was not immediately obvious that，…不明顯；is to為簡單句式，fundamental意為基本的，因此有關(guān)鍵作用可翻譯為was to be fundamental．

點(diǎn)評 本句所給提示較多，考生由提示句型it was…that…，is to能夠很輕松寫出句子框架，然后根據(jù)漢語意思加以補(bǔ)充即可．

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