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【简答题】
2进制数10010011的8进制数是多少
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参考答案:
举一反三
【判断题】计算机病毒从本质上来说也是一种程序,是计算机自身故障而非人为因素造成的。
A.
正确
B.
错误
【单选题】In chemical reaction,2CO (g) + O 2 (g) → 2CO 2 (g),which is product?
A.
CO
B.
O 2
C.
CO 2
D.
A+B
【单选题】房屋建筑室内装饰装修施工图中,立面的转折应用( )表示。
A.
转角符号
B.
连接符号
C.
对称符号
D.
索引符号
【简答题】A chemical reaction is a process that always results in the conversion of reactants into product or products. The substance or substances initially involved in a chemical reaction are called reactants...
【简答题】Which ONE of the following statements is FALSE for a catalyst in a chemical reaction?A. It is an accelerator of the reaction. B. It is consumed in the reaction. C. It does not affect the equilibrium o...
【单选题】A catalyst is by definition a substance that increases the rate of approach to equilibrium of a chemical reaction in the reaction.
A.
without being substantially consumed
B.
not at all comsumed
C.
with decreasing significantly
D.
with the change of it ’ s composition
【判断题】本门常见的药用动物有: 蜈蚣、马陆、蝎子、蜘蛛、鼠妇、蟅虫(雌性土鳖虫)、螳螂、蝉、斑蝥等
A.
正确
B.
错误
【单选题】In chemical reaction,2CO (g) + O 2 (g)→ 2CO 2 (g),which is reactant ?
A.
CO
B.
O 2
C.
CO 2
D.
A+B
【简答题】What can a catalyst do in a chemical reaction?
【简答题】The substancesthat undergo changes in chemical reaction are called the ,and the new substancesformed are the .
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