【題目】In many people's opinion, man's first real invention,【1】is also one of the most important inventions in history, 【2】 (be) the wheel. All transportation and every machine in the world depend【3】it. The wheel is the【4】(simple) yet perhaps the most remarkable of all【5】(invention) because there are no wheels in nature. How, then, did man come to invent the wheel? Perhaps some early hunters【6】 (find) that the body of a heavy animal could be rolled through the forest on logs (圓木) more【7】 (easy) than they could carry it. However, the logs 【8】 (them) weighed a lot. It must have taken 【9】 great prehistoric thinker to imagine two thin slices of log connected at their centers by a strong stick. This would roll along just as the logs did, yet be much lighter and easier【10】 (handle). Thus the wheel and axle(車軸) came into being and with them the first carts.

【答案】

【1】which

【2】is

【3】on

【4】simplest

【5】inventions

【6】found

【7】easily

【8】themselves

【9】a

【10】to handle

【解析】文章主要講述了輪子是怎樣產(chǎn)生的。

【1】考查定語從句。句意：在許多人看來，人的第一個真正的發(fā)明，也是歷史上最重要的發(fā)明之一，是輪子。___1___is also one of the most important inventions in history是非限制性定語從句，修飾man’s first real invention，引導(dǎo)詞在從句中做主語。故用關(guān)系代詞which引導(dǎo)該從句。

【2】考查主謂一致。句意：人的第一個真正的發(fā)明是輪子。主語是單數(shù)名詞，根據(jù)主謂一致原則，謂語動詞用第三人稱單數(shù)形式，填is。

【3】考查介詞。句意：世界上所有的交通工具和機(jī)器都依賴它。depend on是固定短語，意為“依賴，依靠”。故填介詞on。

【4】考查形容詞最高級。句意：輪子是最簡單的，但或許是所有發(fā)明中最引人注目的。該空和后面的the most remarkable對應(yīng)，前面有定冠詞the，故應(yīng)使用最高級simplest。

【5】考查名詞復(fù)數(shù)。句意：輪子是最簡單的，也許是所有發(fā)明中最引人注目的。invention是可數(shù)名詞，前面有all修飾，故填復(fù)數(shù)形式inventions。

【6】考查時態(tài)。句意：也許早期的一些獵人發(fā)現(xiàn)在穿過樹林時，可以通過滾動原木運(yùn)送沉重的動物。該空做謂語，根據(jù)earlier可知，該句介紹的過去的事情，故用一般過去時態(tài)。填found。

【7】考查副詞。句意：也許早期的一些獵人發(fā)現(xiàn)在穿過樹林時，可以通過滾動原木運(yùn)送沉重的動物，這比他們自己搬運(yùn)更容易。該空修飾動詞carry，應(yīng)用副詞。故填easily。

【8】考查反身代詞。句意：然而，原木本身重量很大。該空做the logs的同位語，故用反身代詞。填themselves。

【9】考查冠詞。It must have taken ___9___ great prehistoric thinker to imagine two thin slices of log connected at their centers by a strong stick這肯定需要一位偉大的史前思想家想發(fā)揮想象力，將兩片薄薄的原木用一根結(jié)實的棍子連接在他們的中心。該空修飾thinker，指一位思想家，故填不定冠詞a。

【10】考查動詞不定式。這將像原木一樣滾動，但更輕，更容易處理。該題考查be+adj.+to do結(jié)構(gòu)。故填to handle。

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