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【单选题】
启动时加载的配置文件是( )
A.
RAM
B.
AOM
C.
start-config
D.
running-config
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举一反三
【单选题】The one way of aborting processes and eliminating deadlocks is ____________
A.
Abort all deadlocked processes
B.
Abort all processes
C.
Abort one process at a time until the deadlock cycle is eliminated
D.
All of the mentioned
【判断题】同位素是指原子中质子数相同,中子数不同。
A.
正确
B.
错误
【单选题】All of the following are true about Vitamin K EXCEPT:
A.
Required for synthesis of clotting factors
B.
Hematuria is the first manifestation of deficiency
C.
Used as first line treatment in bleeding conditions
D.
It has a water soluble form also
【单选题】暗适应与视杆细胞中哪种物质的合成有关
A.
视蛋白
B.
视黄醛
C.
视紫红质
D.
维生素A
E.
维生素D
【简答题】(6分). A、B、C、D、E五种短周期元素,原子序数E>D>A>B>C,且A、B、D、E同周期,A、C同主族,A的原子结构示意图如图, B的最外层电子数比K层电子多1,D元素的主族序数是周期序数的2倍,E的单质是黄绿色气体;据此填空: (1) 指出元素A在周期表中的位置 。 (2) D和E两种元素相比较,非金属性较强的是(填元素符号) , 可以验证该结论的是(填写字母序号) ; A.比较这两种元...
【单选题】下列说法正确的是 1 1 H、 2 H、 3 H 为三种不同的核素 2 1 H、 2 H、 3 H 互为同位素 3 1 H、 2 H、 3 H 互为同素异形体 4114 号元素位于周期表第七周期 VA 族 5 氢元素质量数为 1 6 同位素的 “ 同位 ” 指核素的质子数相同,在元素周期表中占相同的位置 7 互为同位素的原子性质相同
A.
①②④⑥⑦
B.
①②③⑤⑥
C.
①②⑥
D.
①②③⑥⑦
【单选题】Which of the following statements is true of inherent processes?
A.
Inherent processes are almost always a perfect fit.
B.
Organizations cannot license the software used in inherent processes.
C.
Inherent processes are expensive and time-consuming.
D.
Inherent processes provide an alternative to business process reengineering.
【单选题】下列说法正确的是( )。
A.
中子与质子结合成氘核时需吸收能量
B.
同一元素的两种同位素具有相同的中子数
C.
当氢原子从n=2的状态跃迁到n=6的状态时.辐射出光子
D.
放射性元素的半衰期是指大量该元素的原子核中有半数发生衰变所需要的时间
【单选题】The processes associated with obtaining goods from external vendors are referred to as ______________.
A.
make-to-order processes
B.
make-to-stock processes
C.
procure-to-pay processes
D.
order-to-cash processes
【单选题】The reasons for vitamin supplements include all the following EXCEPT that
A.
foods from the soil are lack of vitamins nowadays
B.
processed foods tend to lose vitamins in making process
C.
unbalanced food can't keep children in good shape
D.
some elements of vitamin can never been obtained from natural foods
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