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【简答题】
Viewing Watch the video. Note down what Joan Cooper does badly. Use this checklist to help you. Checklist Overall □ Does she consider the audiences? □ Does she have clear objectives? System □ Is her presentation well-prepared? □ Is there a clear structure (beginning,middle,end)? Delivery □ Does she speak clearly ? □ Does she speak at the right speed ? Body language □ Does she maintain eye contact with the audience ? □ Dose she appear confident and positive ? Visual aids □ Are the visual aids clear and helpful? □ Dose she use the equipment professionally? Other comments
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【简答题】梁式桥按静力体系分为 、 、 、T形钢构桥及连续钢构桥。A. B. C.
【单选题】They are singing and dancing to _______ their high spirits despite great hardships.
A.
keep up
B.
set up
C.
bring up
D.
pick up
【单选题】已知下列四个热化学方程式: 2H 2 S(g)+3O 2 (g)＝2SO 2 (g)+2H 2 O(g) △H 1 ； 2H 2 S(g)+3O 2 (g)＝2SO 2 (g)+2H 2 O(l) △H 2 ； 2H 2 S(g)+O 2 (g)＝2S(s)+2H 2 O(g) △H 3 ； 2H 2 S(g)+O 2 (g)＝2S(s)+2H 2 O(l) △H 4 ； ...
A.
△H 1 ＞△H 2 ＞△H 3 ＞△H 4
B.
△H 4 ＞△H 2 ＞△H 3 ＞△H 1
C.
△H 3 ＞△H 4 ＞△H 1 ＞△H 2
D.
△H 4 ＞△H 3 ＞△H 2 ＞△H 1
【单选题】已知:H 2 (g) + S (s) H 2 S (g) K 1 S (s) + O 2 (g) SO 2 (g) K 2 则反应H 2 (g) + SO 2 (g) O 2 (g) + H 2 S (g) 的平衡常数是
A.
K 1 + K 2
B.
K 1 - K 2
C.
K 1* K 2
D.
K 1 / K 2
【单选题】已知 H 2 ( g )+ S ( s )= H 2 S ( g ) K 1 S ( s ) + O 2 ( g )= SO 2 ( g ) K 2 则反应 H 2 ( g )+ SO 2 ( g )= O 2 ( g )+ H 2 S ( g )的 K 为
A.
K 1 ＋ K 2
B.
K 1 － K 2
C.
K 1 × K 2
D.
K 1 /K 2
【判断题】已知 12H 2 S ( g ) +O 2 ( g ) ═2S ( s ) +2H 2 O ( l ) △H 1 = - Q 1 kJ/mol 22H 2 S ( g ) +O 2 ( g ) ═2S ( s ) +2H 2 O ( g ) △H 2 = - Q 2 kJ/mol 可推断出 △H 2 > △H 1
A.
正确
B.
错误
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