We're proud that China _________ stronger and stronger these years.

最终导致苏联解体的原因是
①政策上的错误长期得不到纠正      ②西方“和平演变”战略的影响
③国内民族关系没有得到正确处理   ④坚持僵化的意识形态理论

- Which of the following words has the same sound as the “s” in the word “cups”?

- Let me see. That's             .

化学与科学、技术、社会和环境密切相关．下列有关说法正确的是（   ）