题目

下列物质中属于电解质的是（）。A.CO2  B.NH3 C.NaCl D.C2H5OH 答案：C【试题分析】 第二节完形填空(共20小题；每小题l．5分，满分30分)     阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入 空白处的最佳选项，并在答题卡上将该项涂黑。 It was a busy morning，about 8:30,when an elderly gentleman in his 80s came to the hospital。I heard him saying to the nurse that he was in a hurry for an appointment(约会)at 9:30 The nurse had him take a   36      in the waiting area,  37  him it would be at least 40 minutes    38   someone would be able to see him。 I saw him   39   his watch and decided，since I was    40    busy—my patient didn’t   41   at the appointed hour, I would examine his wound .While taking care of his wound．I asked him if he had another doctor’s appointment The gentleman said no and told me that he   42   to go to the nursing home to eat breakfast with his  43  .。He told me that she had been   44   for a while and that she had a special disease。I asked if she would be    45   if he was a bit late. He replied that she   46   knew who he was，that she had not been able to  47   him for five years now. I was   48   ,and asked him，“And you  49   go every morning，even though she doesn’t know who you are?”     He smiled and said．“She doesn’t know me but I know who she is” I had to hold back   50   as he left. Now I   51    that in marriages，true love is   52   of all that is。The happiest people don’t   53   have the best of everything；they just  54    the best of everything they have。  55   isn’t  about how to live through the storm，but how to dance in the rain. 36 A breath         B.test          C seat          D break 37 A persuading     B promising     C understanding  D telling 38 A if             B before       C since         D after 39 A taking off      B．fixing       C looking at     D winding 40．A very        B also          C seldom        D not 41 A turn up        B show off      C come on       D go away 42 A needed        B forgot        C agreed         D happened 43 A daughter       B wife         C mother        D sister 44 A. late          B well         C around         D.there 45 A lonely        B worried       C doubtful        D hungry 46 A so far        B neither        C no longer       D already 47 A recognize     B answer        C believe        D expect 48 A moved       B disappointed    C surprised      D satisfied 49 A only         B.then          C.thus           D still 50A curiosity     B tears           C words         D judgment 51 A realize       B suggest        C hope          D prove 52 A agreement    B expression     C acceptance      D exhibition 53 A necessarily    B completely    C．naturally      D frequently 54 A. learn        B make         C.favor          D.try 55 A Adventure    B Beauty        C Trust          D Life