2. 职称英语
  3. What is the main idea about the passage? [br] In the sentence "The second stage

What is the main idea about the passage? [br] In the sentence "The second stage

游客2023-09-26  47
问题 What is the main idea about the passage? [br] In the sentence "The second stage then ignites, providing the energy necessary to lift the satellite into orbit.", "ignites" means ______ .
选项 A、starts
B、blasts off
C、departs
D、fires
答案 D
解析 将四个选项一一放进去并结合上下文，尤其是下文中“another engine fires and…”中的“fire”来看，D项“点火”更合适。
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