2. 外语
  3. When does a neutron from one atom collides with the nucleus of another atom, a chain reaction can occur.

When does a neutron from one atom collides with the nucleus of another atom, a chain reaction can occur.

admin2018-01-28  46
问题 When does a neutron from one atom collides with the nucleus of another atom, a chain reaction can occur.
选项
答案does—去掉does
解析 译文：当一个原子的中子与另一个原子的原子核相碰撞，就会发生链式反应。
分析：考查从句。此句的when引导时间状语从句，时间状语从句中，when后应直接跟主语，does多余。故删掉。
转载请注明原文地址:https://kaotiyun.com/show/wesK777K
0

专业英语八级

相关试题推荐
随机试题
最新回复(0)