问题
多项选择题
雷达的性能通常分为（）。
A、技术性能
B、预警性能
C、战术性能
D、侦察性能
答案
参考答案：A, C
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雷达的性能通常分为（）。
A、技术性能
B、预警性能
C、战术性能
D、侦察性能
参考答案：A, C
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| Have you ever heard of a girl of 15, who set up a company of her own? Wendy Wong is the girl. She started the business two years ago. She has already 1 several successful computer games. They are so 2 that over half a million games are sold every year. Now all of her family work in her business, and she is 3 at school. She gets up early in the morning, and then talks with her family about the 4 over breakfast. Every day during weekdays, she goes to school in her own car with a 5 , for she is not old enough. She enjoys her school, but some of the work is too easy for her to feel 6 . She usually gets "A" grades in all her 7 . So the other students often ask her for 8 . She finished her homework in half an hour after her driver takes her home. After dinner, she goes to her office and 9 working on her computer writing games until 2 a.m. She does not usually need so much 10 as other children. | ||||
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