強(qiáng)調(diào)句：It is/was + 被強(qiáng)調(diào)部分 + that/who…

被強(qiáng)調(diào)部分：主語(yǔ)，賓語(yǔ)，表語(yǔ)，狀語(yǔ)； 不能強(qiáng)調(diào)謂語(yǔ)動(dòng)詞

that 被強(qiáng)調(diào)的可以為人、物； ?who 被強(qiáng)調(diào)的可以為人。

判斷：掉 It is/was that 之后，整個(gè)句子仍然完整。

1. It was in 2000 when the country successfully launched the first manned spaceship. [2021]

??????when 改為 that

??????正是在2000年這個(gè)國(guó)家成功發(fā)射了第一個(gè)人造飛船。

2. It was the bad weather which ruined their plan. [2011]

??????which 改為 that

3. It was in the classroom which we had class meeting yesterday. [2015]

??????which 改為 that

4. It is when you nearly lose someone when you become fully conscious of how much you value them. [2014]

??????第二個(gè)when 改為that

??????when you nearly lose someone為時(shí)間狀語(yǔ)