【推荐2】事实上，不止一种描述说明：虽然牛顿确实是受到了掉落苹果的启发，但是没有证据证明苹果打到了他的头。（more than one＋名词；同位语从句）
In fact, ________________ suggests that while Newton was certainly inspired by a falling apple, there is no proof ________________.

【推荐3】Directions: Complete the following sentences, using appositive clauses.
1. News came from the school office _________________________.（王林被北京大学录取了）
2. —It's thirty years since we last met.
—But I still remember the story, believe it or not, _________________________.（我们在雨夜迷了路）
3. Many experts stick to the view _________________________.（教师发展是教育质量的关键）
4. The question came up at the meeting _________________________.（我们是否有足够的钱搞研究）
5. Johnson broke his promise _________________________.（他会给我们每人一个小礼物）