She devoted as much time as she could ____________ others.

下列各句中加点成语的使用，全部正确的一项是（ ）①与日薄西山、奄奄一息的商王朝形成鲜明对比的是，商的属国西周的国势却如日中天，在公刘、王季等人的积极经营下，周的国力迅速强盛起来。②人们常常怀着极大的热忱渴望得到某一本书，一旦到手之后，便会如坐春风地阅读起来，这说明“读书”是一种高级智力活动。③受环境污染、脑外伤、吸烟等因素影响，年轻人也有可能患上帕金森病，所以，年轻人也要提高警惕，发现蛛丝马迹要义无反顾到医院就诊。④获得本届奥运会女排最有价值球员称号的朱婷，面对铺天盖地的鲜花和掌声，安之若素，展示出了难得的冷静。⑤成功的演讲者，总是苦心孤诣，字斟句酌，选用那些能够准确表现思想内容，蕴含着炽热情感的语言，带着感情来叩动听众的心扉，引起共鸣。

is your brother going camping—Hisfriends.

It is only when you nearly lose someone____________ you fully realize how much you value him

We desire that immediate help________to the local villagers who have been trapped by the flood.[ ]