【简答题】已知 ,若存在不同的实数 使得 ,则 的取值范围是
【单选题】已知一个类属性的名字是__id,则该属性是( )。
【判断题】甲为乙订做了一套高档家具,事前,双方约定甲不得行使留置权。但家具完工后,乙无力支付加工费,甲立即欲将家具卖掉以抵乙的债务,乙诉至法院。人民法院应当支持甲的主张。
【多选题】Which of the following statement is correct concerning Huntington’s disease?
A.
It is caused by buildup of an abnormal protein.
B.
It is an inherited nerve disorder that causes a degeneration of brain cells.
C.
Over years, large areas of nerves at the front and sides of the brain are destroyed.
D.
Early signs include mood swings, depression and irritability.
【单选题】Protein degeneration is due to( )
A.
Changes in amino acid sequence
B.
Changes in amino acid composition
C.
Breaking of peptide bonds
D.
Destruction of protein spatial conformation
【多选题】【试题】根据《会计法》的规定,单位出纳人员不得兼任的工作有( )。
【单选题】垄断竞争厂商所面临的需求曲线是一条略微向右下方倾斜的曲线,它表示( )。