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【简答题】
Fill in the following blanks with the expressions given below. Change the forms where necessary. 1) Have you ever wondered why time seems to______so much faster each year? 2) This is not a good weekend for outdoor activities, as it will rain heavily______. 3) He won’t______what you say. I am afraid you’re just wasting your breath. 4) We’re very grateful(感激的) to you for______make us feel at home here. 5) It is important to______yourself if you want to succeed in your career. 6) Traffic and public transport can cause delays(延误), so______you leave plenty of time to get there. 7) The teacher’s role is so important: even a single positive word from a teacher can______in the life of a child. 8) Nancy set about cleaning the windows early this morning. She is probably tired______. 9) With increasing contact(接触) between China and Italy, more and more Italians are ______Chinese culture. 10) Steve admitted that he______deeply for occasionally(偶尔地) cheating on exams while in college. 11) The teacher inspires and excites her students with stories and role playing(角色扮演)that truly make history______. 12) Some teachers always pose difficult questions to give students a hard time.Sometimes it seems they______making things difficult for students.
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皮皮学刷刷变学霸
举一反三
【单选题】下列哪种病变或其进一步发展与肉芽组织无关。
A.
胃溃疡愈合
B.
血栓机化与再通
C.
静脉内静脉石形成
D.
骨折的愈合
【判断题】pH计的电动势与氢离子浓度的关系式为E=K+0.0592ln [H+](25°C)。( )
A.
正确
B.
错误
【单选题】25°C 时,乙醇水溶液的表面张力与乙醇浓度 c 之间的关系为:【图片】若要使乙醇在溶液表面发生正吸附,则要求浓度 c (mol/dm3) 应
A.
> 0.5
B.
< 0.5
C.
> 1.25
D.
< 1.25
【简答题】25°C 时,乙醇水溶液的表面张力与浓度的关系为: γ(N.m -1 )=0.072-5×10 -4 c (mol·dm -3 )+ 2×10 -4 c 2 (mol·dm -3 ) 。若要使表面吸附为正吸附,则要求浓度 c (mol·dm -3 ) 应该: A . >0.5 ; B . 1.25 ; D . <1.25 。
【单选题】25 °C 时,乙醇水溶液的表面张力与浓度的关系为: σ(N·m - 1 ) = 0.072 - 5 × 10 - 4 c (mol·dm - 3 ) + 2 × 10 - 4 c 2 (mol·dm - 3 ) 。若要使表面吸附为正吸附 ,则 要求浓度 c (mol·dm - 3 ) 应该:
A.
> 0.5
B.
< 0.5
C.
> 1.25
D.
< 1.25
【判断题】pH计的电动势与氢离子浓度的关系式为E=K+0.05921m[ ](25°C)。( )
A.
正确
B.
错误
【判断题】pH计的电动势与氢离子浓度的关系式为E = K+0. 05921n [H+](25°C)。
A.
正确
B.
错误
【单选题】肉芽组织与下列哪种病变的进一步发展无关?(  )
A.
血肿    
B.
血栓    
C.
动脉石    
D.
胃溃疡
E.
肾脓肿
【判断题】pH 计的电动势与氢离子浓度的关系式为 E=K+0.0592ln[H+](25 °C)。( )
A.
正确
B.
错误
【判断题】pH计的电动势与氢离子浓度的关系式为E=K+0.0592n[H+](25°C)
A.
正确
B.
错误
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