USCIS 2025 · 118
Name one example of an American innovation.
说出一个美国创新的例子。
官方答案 / Official answers
Light bulb
电灯泡
Automobile (cars, internal combustion engine)
汽车（汽车、内燃机）
Skyscrapers
摩天大楼
Airplane
飞机
Assembly line
装配流水线
Landing on the moon
登月
Integrated circuit (IC)
集成电路（IC）
Follow the number of answers requested in the question. Listed alternatives are accepted answers, not multiple-choice distractors.
按题目要求回答相应数量；列表为可接受答案，不是单选题的干扰选项。
官方出处 / Official source
The English questions and answers are published by USCIS. Chinese translations are unofficial study aids. This independent site is not affiliated with USCIS and makes no outcome guarantees.
英文问题与答案引用 USCIS 公开资料，中文为非官方学习翻译。本站与 USCIS 无隶属关系，不保证考试结果。