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【简答题】
我国教育技术起步于( )。 a.20世纪40年代 b.20世纪20年代 c.20世纪30年代 d.20世纪70年代
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反馈参考答案：
举一反三
【单选题】反应 2A +B→C 的速率方程式为 v = kc 2 (A)∙ c (B) ,则速率常数 k 的单位是
A.
(浓度) ∙ (时间)
B.
(浓度) –1 ∙ (时间) –1
C.
(浓度) –2 ∙ (时间) –1
D.
(浓度) 2 ∙ (时间) –1
【简答题】In order to overcome culture shock, the priority is to conquer ___________.
【简答题】A. Fill in the blanks with the words given below. Change the form where necessary. scale impact tackle opponent sustain promote establish foundation 1. Water and oxygen are basic needs for human being...
【单选题】There are a few cases where the name of the acid is changed slightly from that of the acid radical; for example, H 3 PO 4 is rather than .
A.
phosphic acid….. phosphoric acid
B.
phosphoric acid……phosphic acid
【简答题】The government’s priority is to build more power plants.
【简答题】Fill in the blanks with the words given below. Change the form where necessary. scale impact tackle opponent sustain promote establish foundation Water and oxygen are basic n...
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