链球菌感染后肾小球肾炎常发生（）. A.Ⅰ型超敏反应 B.Ⅱ型超敏反应 C.Ⅲ型超敏

The time in a bookshop can be enjoyable. If you go to a   1_  bookshop, no assistant will come near to you and say, “Can I help you?” You   2  buy anything you don’t want. You may try to find out  3   the book you want is. But if you can’t find it, the assistant will lead（带领） you there and then he will go away. It seems that he is   4_  selling books at all. A story tells us about a good bookshop. A young student  _5   a very useful book in the bookshop.  _6   it was too expensive for him. He couldn’t get it from the library, either. So every afternoon, he went there to _ 7  a little at a time. One day, however, he couldn’t find  _8  from its usual place and was leaving when he saw an assistant signing(示意) to him. To his surprise, the assistant pointed to the book in the desk , “I put it there  _9  I don’t want other people to buy it,” said the assistant. Then he  10   the student go on with his reading.

小题1:	A．good B．bad C．cheap D．rich

小题2:	A．shouldn’t B．needn’t C．mustn’t D．can’t

小题3:	A．what B．which C．where D．when

小题4:	A．surprised at B．not surprised at C．interested in D．not interested in

小题5:	A．bought B．found C．read D．took

小题6:	A．But B．And C．So D．Or

小题7:	A．look B．read C．watch D．buy

小题8:	A．the book B．the shop C．the assistant D．the shopkeeper

小题9:	A．so B．though C．because D．because of

小题10:

A．left B．let C．told D．taught