皮皮学，免费搜题
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搜题
【单选题】
击实试验时，击按下式计算( )。A.
锤重×落高×击数
B.
筒体积×击数
C.
落高×锤重
D.
锤重×击数×筒高
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】Each boy and each girl _________ given a gift on Christmas Day.
A.
is
B.
are
C.
were
D.
be
【简答题】( 1 )个人支付账户分类管理 账户类别 余额付款功能 余额付款限额 身份核实方式 I 类账户 II 类账户 III 类账户
【简答题】本体聚合的 缺点
【单选题】The little boy, who had _____ gift for music from an early age, is considered to be _____ future Beethoven by his teachers.
A.
the; /
B.
/; a
C.
a; a
D.
the; /
【判断题】Know-it-all boy sits on the sleigh with Santa to receive his first gift.()
A.
正确
B.
错误