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【单选题】
走姿的基本规范包括 1头正 2肩平 3背直 4步履匀称A.
①②
B.
②③
C.
①②③
D.
①②③④
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】可在弱酸性范围控制溶液pH的缓冲溶液是( )。
A.
NaAc-HAc
B.
NH 3 . H 2 O-NH 4 Cl
C.
NaOH-HAc
D.
NaNO 3 -HAc
【简答题】组织教学活动的中心环节是（）
【多选题】What are the remarkable features of Zhongshan suit?
A.
The turn-down collar
B.
Central buttons
C.
Four outside pockets with flaps
D.
Traditional Chinese auspicious embroidery
【单选题】Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each ques...
A.
He would buy a new suit.
B.
He would have the suit cleaned.
C.
He would throw the suit away.
D.
He would give it to others.
【多选题】What are the remarkable features of Zhongshan suit? ( )
A.
The turn-down collar
B.
Central buttons
C.
Four outside pockets with flaps
D.
Traditional Chinese
【单选题】下列数据类型进行运算时,哪一个会发生自动类型提升
A.
int + int
B.
long + long
C.
byte + byte
D.
double + double
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