题目

如图13-2-6所示是用干涉检查某块厚玻璃板上表面是否平的装置，所用单色光是用普通光源加滤光片产生的.检查中所观察到的干涉条纹是由下列哪两个表面反射的光线叠加而成的（    ) 图13-2-6A.a的上表面和b的下表面                B.a的上表面和b的上表面C.a的下表面和b的上表面                D.a的下表面和b的下表面第二节完型填空（共20小题，小题1．5分，满分30分）阅读下面短文，从短文所给各题的四个选项（A, B, C, D）中选能填入相应空白处的最佳选项。Dear Doctor,My husband and I got married in 1965 and for the first ten years of our marriage I was very happy to   36   home and raise our three children．Then four years ago, our youngest   37   went to school and I thought I might go back to   38 ．My husband was very   39   and helped me to make my decision．He pointed out all of the things I can do around the   40  , and said he thought I could be a great   41   in business．After several weeks of job-hunting, I found my   42   job, which is working for a small public relations firm．At first, my husband was very   43  of me and would tell his friends, "My clever little wife can   44   that company she's working for．"But as his joking words were close to   45  , my husband stopped talking to me about my job．I have received several promotions and pay increases, and I am now   46   more money than he is．I can buy my   47   clothes and a new car．Because of our joint incomes, my husband and I can do many things that we had always   48   of doing, but we don't do these things because  he is very   49 ．We   50   about little things and my husband is very critical of me in front of our friends．For the first time in our marriage, I think there is a possibility that our marriage may come to a（an）   51 ．I love my husband very much, and I do not want him to   52   lower, but I also love my job．I think I can be a good wife and a working woman, but I don't know   53 ．Can you give me some   54  ? Will I have to choose one or the other or can I keep both my   55   and my new career?Please help． "DISTRESSED"36．A．look                B．stay                        C．see                         D．study 37．A．person                    B．man                       C．child               D．lady 38．A．school                    B．factory                   C．study               D．work 39．A．restricted         B．opposite                  C．disappointed            D．supportive 40．A．group                     B．house                     C．firm                       D．husband 41．A．success                   B．failure                    C．mother                   D．helper 42．A．awkward         B．convenient              C．useful                     D．present 43．A．warm                     B．fond                C．proud                     D．comfortable 44．A．run                        B．walk                C．hire                        D．sell 45．A．awareness        B．beliefs               C．reality               D．ambition 46．A．making                   B．building                  C．producing        D．growing  47．A．cheap                     B．own                       C．important         D．incredible 48．A．agreed                    B．believed                 C．dreamed                 D．supposed 49．A．unhappy          B．confident         C．discouraging           D．certain 50．A．communicate   B．strike               C．fight                D．change 51．A．absence                  B．end                        C．exam               D．question 52．A．gain                B．add                        C．feel                    D．suffer 53．A．what               B．where                     C．why                   D．how 54．A．duties                     B．advice                    C．fun                     D．enjoyment 55．A．husband           B．child               C．friendship     D．boss