①刚才，还是晴空万里，却____下起了倾盆大雨。

②冬天到了，下雪了，松树却不怕冷，____那么绿。

③松鼠妈妈说，花生是长在地里。小松鼠扒开土，____找到了花生。

④____天气很冷，来湖边冬泳的人可不少。

请按照要求用英文回复这个帖子：

With the college entrance examination approaching, quite a few students are suffering mental problems, such as worrying about making progress in their studies. It does great harm to their studies and health. What can we do to help them?

内容要点: 1) 同意并表示担忧；

2) 考前心理焦虑的表现；

3) 提出合理的建议。

注意：1) 可适当发挥，以使行文连贯;

2) 开头已给出，不计入总词数;

3) 词数100左右。

    I can't agree more with what you said. ……

实验室长期保存下列试剂的方法中，不正确的是（  ）