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【单选题】
公文要素“签发人”一般在()使用。A.
下行文
B.
上行文
C.
D.
所有公文
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】微信小程序和WebAPP的在技术主要相同点是可以【】。
【单选题】Not only me a book, but also he gave her a bag.
A.
did he give
B.
he gave
C.
had he given
【单选题】He never ______learning English. That was why he was successful at last.
A.
gave in
B.
gave out
C.
gave up
D.
gave away