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

游客2024-07-06  12

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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