皮皮学，免费搜题
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【简答题】
听问句，选出正确的答句。 ( ) 1. A. She cleans her room every afternoon. B. She cleaned her room yesterday. ( ) 2. A. Yes, he did. B. No, I didn't. ( ) 3. A. My mother watches TV at home every Sunday. B. She washed clothes at home last Sunday. ( ) 4. A. I got up at 6: 30 yesterday. B. He got up at 9: 00 last Saturday. ( ) 5. A. He played football with his friends yesterday evening. B. She went shopping yesterday evening.
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】在室内设计中能丰富空间、改善空间的是：（）
【单选题】把运行中的三相异步电动机定子绕组任意两相电源接对调，电动机的运行状态变化过程是
A.
反接制动。
B.
反转运行。
C.
先是反接制动、随后反转运行。
D.
无法确定电动机运行状态。