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【单选题】
个人混合泳比赛中,四种的顺序为A.
蝶泳.仰泳.蛙泳.自由泳
B.
蝶泳.蛙泳.自由泳.仰泳
C.
仰泳.蛙泳.蝶泳.自由泳
D.
仰泳.蛙泳.蝶泳.自由泳
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】绝热过程中外界对系统做功表达式为()。
【单选题】I _____ while watching the movie 2012 last night. Unluckily, my roommate woke me up.
A.
had fallen asleep
B.
have fallen asleep
C.
fell asleep
D.
fall asleep
【单选题】I ______ while reading the English textbook. Luckily, my roommate woke me up in time !
A.
had fallen asleep
B.
have fallen asleep
C.
fell asleep
D.
fall asleep
【单选题】I_______ while reading the English textbook. Luckily , my roommate woke me up in time!
A.
fell asleep
B.
had fallen asleep
C.
have fallen asleep
D.
fall asleep
【简答题】阅读理解。 Mr father woke me up early one summer morning when I was four and announced (宣布):'Get up, you're going with me to cut the grass in the garden.' The idea that my father thought I was old enou...
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