第Ⅰ卷(选择题共115分)
第一部分：单项选择(共30小题，每小题1.5分，满分45分
l.-- Mr. Smith，I wonder if I could take Friday off？
 --         ?It’s a bit difficult with so many people away on holiday，you know．
 A. How come                                      B. Is it necessary  
C. Where are you going                              D. Do you really have to
2.          We must do is           the use of energy．  
 A. That；to reduce                                   B. How；to reduce 
C. What；reduce                                    D. That：reduce．