如果某一类问题存在算法，并且构造出这个算法，就一定能求出该问题的精确解。
参考答案：错
根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。
1.This is Johnson's _____ (第二十) birthday.
2. Music is relaxing, and we have music on _____(星期三).
3. They don't like _____(喜剧片).
4. Our class teacher is very _____ (严格的) with us.
5. Some students don't like math, because it's _____(困难的).
护肤类—调理水的作用？
