Question

完成句子

①(2016•新课标全国卷Ⅱ改编)A new collection of photos brings an unsuccessful Antarctic voyage _________________________(恢复活力).

②(2014•湖南改编)On most days, our grades _________________________(以……为基础) our oral answer to homework questions.

③(2016•天津改编)When planning Encyclopaedia Britannica (《大英百科全书》), I had to create a table of contents _________________________(以……为基础) the topics of its articles.

④You cannot accept an opinion offered to you unless it ___________ (base) on facts.

Answer

back to life were based on based on is based

【解析】小题1：back to life恢复活力，是固定短语，所以填back to life。

小题2：be based on以…为基础，是固定短语，表示发生在过去的事情，用一般过去时，所以填were based on。

小题3：“目录的表格”与“以……为基础”之间是被动关系，所以用过去分词作定语，所以填based on。

小题4：在含有条件状语从句的复合句中，表示将来时态，主句是一般将来时态，祈使句或情态动词，从句要用现在时态，所以填is based。