皮皮学，免费搜题
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【判断题】
关系的每个属性必须取原子值A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I ______ my aunt in Australia this winter vacation. I want to have an exciting vacation. [ ]
A.
visit
B.
am going to visit
C.
visited
【简答题】根据句子的意思，补全单词。 1. I want to have an _____ house for my big family. 2. The boy always plays the _____ to get attention. 3. The manager fired an old _____ yesterday. 4. She went to the _____ to sell what...
【单选题】I ______ my aunt in Australia this winter vacation. I want to have an exciting vacation. [ ]
A.
visit
B.
visited
C.
am visiting
D.
visits
【单选题】I want to have an _____ with your manager.
A.
meeting
B.
appointment
C.
game
D.
lunch
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