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【判断题】
只有需求富有弹性的商品才可以薄利多销。( )A.
正确
B.
错误
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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】模拟乘法器输出与输入的关系式是U0=( ),电路符号是( )。
【单选题】Though the girl had been suffering from the blood disease, she acted as if nothing ________ while facing her friends and relations.
A.
happened
B.
would happen
C.
was happened
D.
had happened
【单选题】Though the girl had been suffering from the blood disease, she acted as if nothing____ to her while facing her friends and relation.
A.
happened
B.
would happen
C.
was happened
D.
had happened
【单选题】关于髋关节的描述错误的是
A.
由股骨的股骨头和髋骨的髋臼构成
B.
关节囊松弛，运动灵活
C.
囊内有股骨头韧带
D.
关节囊周围有多条韧带加强
E.
髋关节囊的后下部相对较薄弱
【单选题】the smiths decided to _____ a boy and a girl though they already had three children.
A.
adapt
B.
bring
C.
receive
D.
adopt
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