1. It was James Watt，s observation of steam from a kettle           the idea of the steam engine. ( birth)

James Watt觀察到從茶壺飄出的蒸汽，這讓他產(chǎn)生了蒸汽機(jī)的想法。

1. that gave birth to考查強(qiáng)調(diào)句。give birth to sth. 誕生，產(chǎn)生„本句強(qiáng)調(diào)主語"James Watt，s observation of steam from a kettle"。強(qiáng)調(diào)句型的構(gòu)成是：It is (was)+被強(qiáng)調(diào)部分+that(who)+句子的其他成分。被強(qiáng)調(diào)部分可以是主語，賓語，表語或狀語。強(qiáng)調(diào)的主語如果是人，可以由who代替that。強(qiáng)調(diào)句的時(shí)態(tài)和句子的謂語動詞時(shí)態(tài)要一致。

題目來源：高考丟分題英語 > Unit 4 Astronomy:the science of the stars

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