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【单选题】
关于苷键的裂解说法不正确的是( )
A.
酸催化水解可以水解断裂大部分糖苷键
B.
乙酰解所得产物是原始的糖和苷元
C.
酚苷既可以用碱催化水解,也可以用酸催化水解
D.
酶催化水解往往可以得到原苷元
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参考答案:
举一反三
【多选题】原子核外电子排布遵循以下哪些的规律( )
A.
Pauli(泡里)不相容原理
B.
Hund( 鸿特 )规则
C.
能量最低原理
D.
波粒二象性
【单选题】Which of the following statements about a company's supply chain is true?
A.
A company's supply chain is always internal to a firm.
B.
A company's supply chain is always external to a firm.
C.
A company's supply chain is the same thing as a company's value chain.
D.
Management accountants provide information to enhance a company's supply chain.
【判断题】产生死锁的根本原因是供使用的资源数少于需求资源的进程数。( )
A.
正确
B.
错误
【判断题】The author believes that to shut the computer down means it's not using energy.
A.
正确
B.
错误
【简答题】The author believes the Rebekah Books’s deference [A] revealed a cunning personality [B] centered on trivial issues [C] was hardly convincing [D] was part of a conspiracy 本题为单选题,请选出正确答案,谢谢!
【单选题】Which of these statements about Dell's supply chain is best?
A.
Dell's supply chain surplus was largely driven by their negative shipping model.
B.
Dell's initial success was largely driven by the ability to accurately forecast what customers wanted and supply those models to retail outlets that carried their computers.
C.
Dell's initial success was largely driven by their Assembly→Customer supply chain linkage.
D.
Dell's supply chain consists of only two members, Dell and the customer
【判断题】产生死锁的根本原因是供使用的资源数少于需求数。
A.
正确
B.
错误
【多选题】BSP客票与航空公司客票之间在格式上的区别主要表现在(CD)上。
A.
“记录编号”栏
B.
“签注”栏
C.
“付款”栏
D.
“航空公司的确认章”栏
【多选题】根据原子轨道理论,原子核外电子排布应遵循以下哪些原则
A.
能量最低原则
B.
泡利不相容原理
C.
洪特规则
D.
能量守恒定律
【判断题】产生死锁的根本原因是供使用的资源数少于需求资源的进程数。
A.
正确
B.
错误
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