皮皮学，免费搜题
登录
搜题
【简答题】
执行如图所示的程序框图，输出结果S= ．
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
【单选题】— I dropped in at your house at about ten last night, but you weren't in. — I ______ regular exercises at the club. [ ]
A.
did
B.
was doing
C.
had done
D.
have been doing
【简答题】如图7.4.7所示电路，已知R=0.5Ω，L=1H，C=1F，a=0.25，求：
【单选题】— You were out when I dropped in at your house. — Oh, I _____ for a friend from England at the airport. [ ]
A.
was waiting
B.
have waited
C.
am waiting
D.
had waited
【简答题】胸腺是 细胞分化,发育和成熟的场所。
相关题目：