皮皮学，免费搜题
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【单选题】
按照2001年实验动物国家标准，（）不能在普通环境动物实验室开展实验。A.
犬
B.
猴
C.
大鼠
D.
兔
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Bob thought he couldn’t go to the party because he had too much homework, but persuaded by his friends, he went _________.
A.
above all
B.
in all
C.
after all
D.
first of all
【简答题】Bob comes out of the station and at once he doesn't know where to go. He comes to see his good friend, Peter. Peter is a worker. He works in a factory, but Bob doesn't know where the factory is. He wa...
【简答题】打开对齐面板的快捷键为________。
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