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【单选题】
Which of the following positions requires formal education?A.
Full Time Secretary at United Business Ltd.
B.
Home Delivery Representative for Yorkshire Post.
C.
Teaching Assistant at Hania's Playschool.
D.
University Positions at the University of Bristol.
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【单选题】In order to motivate students in science class, ______ should be employed.
A.
a synthesis of visual
B.
kinetic
C.
analytical perception
D.
the expressive arts
【简答题】1F= μF = PF
【单选题】In order to motivate students in science class, ______ should be employed.
A.
visual experience
B.
kinetic
C.
analytical perception
D.
the expressive arts
【简答题】在 298.15 K 时, j ⊖ (MnO 2 /Mn 2+ ) = 1.224 V , j ⊖ (C l 2 /Cl - ) = 1.358 V ,用 MnO 2 和盐酸反应制取 C l 2 : MnO 2 (s) + 4HC l ═ Cl 2 (g) + MnC l 2 + 2H 2 O 。 (1) 在标准状态时,能否制取 C l 2 ? (2) 当 HC l 浓度为 12 mol·L -1...
【简答题】1F= μF = PF
【单选题】已知: （1）NH 3 (g）+HCl(g)=NH 4 Cl(s); △H 1 =-76kJ·mol －1 （2）NH 3 (g）+H 2 O(l)=NH 3 ·H 2 O(aq); △H 2 =-35.1kJ·mol －1 （3）HCl(g）+HCl (aq); △H 3 =-72.3kJ·mol －1 （4）HCl (aq) NH 3 ·H 2 O(aq) =NH 4 Cl(aq）+H 2 O...
A.
-335.7 kJ·mol －1
B.
-16.3 kJ·mol －1
C.
+16.3 kJ·mol －1
D.
-83.7 kJ·mol －1
【简答题】1F= μF= pF
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