皮皮学，免费搜题
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搜题
【判断题】
合金组织粗大,均匀化退火需要的保温时间应适当加长。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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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】You can ________ in your dictionary. [ ]
A.
look up them
B.
look up they
C.
look them up
D.
look they up
【单选题】If you don't know how to pronounce new words, ________in a dictionary. [ ]
A.
look them up
B.
look they up
C.
look up them
D.
look up they
【单选题】If you don't know how to spell new word, in a dictionary. [ ]
A.
look them up
B.
look they up
C.
look up them
D.
look up they