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【单选题】
青少年声音、乳房、骨架、毛发发生了变化,这属于?A.
第一性征
B.
第二性征
C.
外在表现
D.
内在变化
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】网络协议采用层次结构模型有什么好处?
【简答题】网络协议采用层次结构模型有什么好处?
【简答题】She bumped into her boyfriend in town this morning.
【单选题】Getting bumped from a donkey is _________ getting bumped from a flight.
A.
the same as
B.
different from
C.
more painful than
D.
less painful than
【单选题】Victorial bumped into his brother quite by chance in the supermarket. The underlined part means __________.
A.
risk
B.
opportunity
C.
possibility
D.
luck
【单选题】Victoria bumped into her brother quite by chance in the supermarket. The underlined part means______.(2011-70)
A.
risk
B.
opportunity
C.
luck
D.
possibility
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