题目

You will find as you read this book that you just can’t keep some of these stories to ________. You will want to share them with a friend. A．itself                      B．yourself                  C．himself                  D．themselves 答案：B 【解析】 考查固定搭配。句意：当你读这本书的时候你会发现，你不会只是独享这些故事，而会想与一个朋友分享它们。keep…to oneself表示独享，根据You判断此处用yourself，故选B。下列函数中，值域为（0，+∞）的函数是（　　）（1）y=(18)2-x（2）y=1-3x（3）y=(13)x-1（4）y=213-x．A．（1）B．（2）C．（3）D．（4）