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_______ he lives in a rich family, he started from the lowest position as an ordinary worker to make his living.
A.WhileB.UnlessC.AsD.Since
A

試題分析:
根據(jù)句意:盡管他生活在富裕的家庭,但是他還是愿從地位低微的普通工人做起來謀求生計。
while盡管,然而,表轉(zhuǎn)折  unless 除非    as因為、盡管    since因為。故選A
點評:while在高中語法中有然而的意思,表轉(zhuǎn)折。這種特殊意思平時學習中要特別注意,同時while表示“當…時候”時與when的區(qū)別是,前者只能與延續(xù)性動詞連用,而后者延續(xù)或非延續(xù)性動詞都行。as 引導讓步狀語從句時也有盡管、雖然的意思,但是as表盡管時,要將標語或狀語提到主語之前,使句子部分倒裝。如果表語時名詞,放在句首時不能加冠詞。如:Old man as he is ,he still works hard.盡管他是個老人,他仍然努力工作。
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