題4：Was it five o’clock ______the fire broke out?

A. when                                           B. that

C. which                                          D. in which

【陷阱】容易誤選B，誤認(rèn)為這是強(qiáng)調(diào)句。

【分析】其實，此題應(yīng)選A，這不是強(qiáng)調(diào)句。因為在強(qiáng)調(diào)句中，若去掉強(qiáng)調(diào)句的結(jié)構(gòu)詞 it is [was]…that…，句子結(jié)構(gòu)仍然完整，但此句不是這樣，若去掉結(jié)構(gòu)詞，即為 Five o’clock the fire broke out，句子不完整，但若在five o’clock前加上介詞at則可以，因為 at five o’clock 用作時間狀語。此題選A可分析為：it 表時間，when the fire broke out 為時間狀語從句，全句意為“火災(zāi)是5點(diǎn)鐘發(fā)生的嗎?”比較下面一題（答案選B，為強(qiáng)調(diào)句）：

Was it at five o’clock ______the fire broke out?

A. when                                          B. that

C. which                                         D. in which

題5：It’s more than half a century _____ my grandfather joined the Party and became a servant to the people.

A. when                                          B. that

C. since                                          D. while

【陷阱】容易誤選B，認(rèn)為這是強(qiáng)調(diào)句型。

【分析】假若選B，將此句分析為強(qiáng)調(diào)句，那么若將此句還原為非強(qiáng)調(diào)句就應(yīng)該是My grandfather joined the Party and became a servant to the people more than half a century. 很顯然, 句中的 more than half a century 是一段時間，然而它修飾的謂語動詞 joined…became 卻是兩個終止性動詞，這顯然不合適。其實，此題應(yīng)選C，屬于“It is＋一段時間＋since 從句”句型，句意為“我爺爺加入黨組織成為人民的公仆已有半個多世紀(jì)了”。此句的主句謂語也可以用現(xiàn)在完成時態(tài)(has been)，但在口語中多用一般現(xiàn)在時代替。

題6：It was lack of money, not of effort, _____ defeated their plan.

A. which                                        B. as

C. that                                           D. what

【陷阱】容易誤選A，受空格前逗號的影響，誤認(rèn)為這是一個非限制性定語從句，從而誤選了A。

【分析】其實，此題最佳答案為C，整個句子為強(qiáng)調(diào)句，被強(qiáng)調(diào)成分為 lack of money, not of effort。由于句中插入 not of effort 這一結(jié)構(gòu)，干擾了許多同學(xué)對 it was lack of money that defeated their plan 這一強(qiáng)調(diào)句的認(rèn)識和理解。

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