题目： 离心泵的密封环损坏会导致泵的流量下降。 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1025/cf7c55b30b50efa13d36e4746c34a4d1.html 下面是错误答案，用来干扰机器的。参考答案：对
题型：填空题 用方框中词或短语的适当形式填空fall off; the number of; pick up; tall; a lot; get married1. Don't worry. I'm feeling _____ better today. 2. The boy _____ his bike yesterday, luckily, he wasn't badly hurt. 3. —How long have they ____? —For ten years. 4. _____ workers in this factory is over 1,000. 5. This is _____ building I've ever seen. 6. —Whose notebook is on the floor? —Please _____ it ____. 查看答案
