在公共卫生监督执法活动中，公共卫生监督执法法律关系只有在什么实施后才能形成（） A.

请先通读短文，掌握其大意，然后从所给的选项中选出最佳选项。

Jack is a boy of fifteen. His parents died 3 years ago. One day when he was walking in the street, he   56  a wallet. He returned it to the owner, Mr. Baker. He gave his    57   to the boy. As the boy had no job, Mr. Baker made him work for him in his    58  . Jack worked so hard that Mr. and Mrs. Baker were    59   with him.

Mr. Baker loved planting    60 . The week before last, he brought a few trees home, planted them in the    61  himself and watered them every day. Several days    62  , he had to leave for another city. Before he started, he said to Jack, “Take good care of these trees. Some boys near our house always want to steal them.” “ Don’t     63   about them, sir.” answered Jack," I’ll try my best to watch them."  Six days passed, and Mr. Baker came back. He asked, “   64   anyone ever stolen the  trees?” “No, sir.” said Jack. “To stop someone from stealing the trees, I    65   them up six days ago. I have hidden them for almost a week.”

小题1:A. bought                     B. found                             C. carried

小题2:A. wallet                        B. pity                                C. thanks 

小题3:A. office                          B. factory                          C. home

小题4: A. pleased                           B. angry                             C. sad

小题5:A.  trees                      B. flowers                         C. vegetables

小题6: A. garden                    B. office                             C. room

小题7:A. ago                             B. later                              C. after

小题8:A. think                           B. talk                                   C. worry

小题9:A. Did                              B. Does                              C. Has

小题10:A. sent                            B. pulled                            C. put

关于心表面沟的描述，不正确的是（）

A.前室间沟为分隔左、右心室的标志（前面）

B.后室间沟与冠状沟交汇区称房室交点

C.近心底处有一完整的环形浅沟称冠状沟

D.后室间沟为分隔左、右心室的标志（后面）

E.冠状沟将右上方的心房和左下方的心室分开

目标性监测的内容不包括 （）

A.医院感染率的监测

B.高危科室监测

C.综合性监测

D.暴发监测

E.一级护理合格率的监测

Tom asked me             I could come to his home for the birthday party on Saturday evening. [ ]

A. if

B. what

C. when

D. that

陆地上的流水有三种形式：（）、（）和（）。