高考英語單元知識點復習Unit 9-Unit 10
(1)as though=as if“好像；似乎”，用來引導方式狀語從句或表語從句。as though比as if較正式，描述非現實情況時，as if/as though 從句中用虛擬語氣；在口語中，主句為現在時，而且有內容可清楚辨別是表達現實的意思時，在as if 后的從句有時也可以用現在時。此外，若使用現在時，這是表達實際的事實關系；as if/as though 從句里的主語和動詞，有時可省略。(2)even though=even if “即使；縱使”，用來引導讓步狀語從句。even if 的從句有強烈的假設性，而even though 則多以此從句內容為前提。even though he is poor,she loves him.=he is poor,yet she loves him.盡管他很貧窮，但她還是愛他。(3)though“雖然”，用來引導讓步狀語從句。even though 有退一步設想的意味，與though不同。though 引導的句子所說的是事實，even though 引導的句子所說的則不一定是事實。另外，though 還可用于倒裝句，這時作表語的名詞或形容詞要提前。注意:though不能和but 連用。即時練習:(1)she always talks to me _________she were my sister.(2)he walked slowly__________ he had hurt his leg.(3)it looks_________ we will be late.(4) __________ i have to sell my house,i will keep my business going.(5)he will not tell me the secret_________ he knows it.答案:(1)as if/as though (2)as if/as though(3)as if/as though (4)even if/even though(5)even if/even though/though2.defend，guard，protect這三個詞都有“保護”之意，但強調的重點不同。defend指用武力或其他措施保護某人/物在面臨危險時不受損害。protect指利用各種安全防御措施,盡力照顧某人/物,以使其不受損害。guard指留心守望，警戒，防止可能受攻擊或侵害。it is the duty of every chinese citizen to defend his motherland.對中國每個公民來說，保衛祖國是他們的義務。clothes protect us from cold.衣服使我們御寒。he raised his arm to protect his face from the blow.他抬起胳膊保護臉免遭拳擊。two big dogs guard the farm against strangers.兩條大狗保衛著農場，防備陌生人。即時練習:we should try our best,in my opinion,to do all that we can ________ these ancient cultural relics.a.to protect b.protectingc.protected d.and protect提示:此處用動詞不定式作目的狀語。答案:a誘思:實例點撥【例1】(遼寧模擬)follow your doctor’s advice, _________ your cough will get worse.a.or b.and c.then d.so