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【判断题】
集合与元素均可以用大写字母A,B,C,...来表示（）A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The exciting part of both Flight Simulator and real flying is ______.
【单选题】Sleep-deprived people who are tested with a driving simulator perform as poorly or worse than people who are intoxicated .
A.
失眠的
B.
受伤的
C.
醉酒的
【单选题】The program of Flight Simulator was produced by Microsoft and five other small firms.
A.
Y
B.
N
C.
NG
【简答题】真可惜!真遗憾