《2025年系统集成新课程同步导学练测高中英语必修第二册》

1. 不定式短语作插入语
To start with, physical activity increases the efficiency of your heart and lungs.
首先,体育活动会提高你的心肺效率。
【归纳拓展】
(1)在英语中有一些固定的不定式短语可以在句子中作插入语,其位置比较灵活,可放在句首、句中和句末。常见的能用作插入语的不定式短语有:
to begin/start with首先
to be exact确切地说
to be honest说实话
to tell the truth说实话
to be frank坦率地说
to make things/matters worse更糟糕的是
to be short简言之
to be fair公平地说
to sum up总而言之
to conclude总之
to be brief简言之
(2)有一些现在分词的固定短语也可以在句子中作插入语,常见的此类短语有:
generally speaking一般来说
strictly/frankly speaking严格地说/坦白说
honestly speaking说实话
judging from/by...根据……判断
He came back at noon. To be exact, it was five to twelve.
他是中午回来的。确切地说,是 11:55 回来的。
To be honest, everyone makes mistakes when learning to speak a foreign language.
老实说,每个人学外语时都会犯错误。
Generally speaking, the weather there is neither too cold in winter nor too hot in summer.
一般来说,那里的天气冬天不太冷,夏天也不太热。
【活学活用】
根据汉语意思完成句子
①To make matters worse (更糟糕的是), Moth was diagnosed with a serious disease.
②To sum up (总而言之), on no account can we turn blind eyes to the drawbacks of facial recognition technology.
③To tell the truth/To be honest/Honestly speaking (说实话), I sometimes found it difficult to answer some of the questions the students raised.

答案： ①To make matters worse ② To sum up ③ To tell the truth/To be honest/Honestly speaking

2. that引导的主语从句
It has also been proven that active people tend to have better immune systems and are at lower risk of diseases.
事实也证明,定期运动的人往往会有更好的免疫系统,患病的风险较低。
【归纳拓展】
that从句作主语时,为避免头重脚轻,保持句子平衡,常用 it 作形式主语,而将主语从句后置。常用 it 作形式主语代替 that 从句的句型有以下几种:
(1)It + be +形容词(obvious、true、wonderful、likely、possible、certain, etc.) + that从句.
(2)It+be+名词(词组)(no wonder、the case、an honour、a pity、a good thing、no surprise、a fact, etc.)+that从句.
(3)It + be +过去分词(said、believed、reported、thought、expected、decided, etc.) + that从句.
【活学活用】
单句语法填空
①It is well known to all of us that the moon moves round the earth.
②It is proposed that more students go (go) to university.
③It has been proven that eating vegetables in childhood helps to protect you against serious illnesses in later life.

答案： ①It ②go ③that