现象9PS__盘A进线911开关欠压跳闸，母联开关自动合闸，蜂鸣器集中报警，K911微机保护装置显示电压为零。你该如何处理？

现象：A进线911开关、B进线921开关都跳闸、母联900开关合闸、911开关微机保护装置显示6KV电压正常。

属于替牙期间暂时性错的是（）

A:恒前牙反 B:恒前牙盟出时，出现中度拥挤 C:前牙开1mm D:上下恒切牙盟出早期，出现前牙深覆 E:上下颌第1恒磨牙建初期，完全远中关系

患者男性35岁，冠根斜折，做过根管治疗。在分根拔除过程中，腭根突然消失，探牙槽窝空虚，无阻力，捏鼻鼓气时牙槽窝内有气泡产生，此时首先应做的是（）

A:扩大牙槽窝掏根 B:拍X线片 C:上颌窦开窗取根 D:碘仿海绵填塞牙槽窝暂观察 E:采用邻近粘膜瓣关闭拔牙窝

对给定的关键字序列110，119，007，911，114，120，122进行基数排序，则第2趟分配收集后得到的关键字序列是

A:007，110，119，114，911，120，122 B:007，110，119，114，911，122，120 C:007，110，911，114，119，120，122 D:110，120，911，122，114，007，119

已知的值 （ ）

A: 不大于 B:大于 C:不小于 D: 小于

实验测得四组(x,y)的值是(1,2),(2,3),(3,4),(4,5)，则y与x之间的回归直线的方程是 （ ）

A:=x＋1 B:=x+2 C:=2x+1 D:=x－1

语法填空：(共10题，每小题1.5分，共15分）

People can call 911 when they need help. The police will come quickly. This phone number should be used only 26 an emergency. But there have been some problems with people using the 911 phone number. 27 than half of the calls made to it are an accident. These accidental calls are not real emergencies.

Calling 911 when you do not need 28 can be very baD. It wastes the time of the people answering the calls. It can even force someone 29 has a real emergency to wait before 30 (get) the help they neeD.

Many accidental 911 calls come from cellphones. Sometimes keys on the phone 31 (push) and the call goes through without the owner of the phone knowing that he has called an emergency number. People are trying to find 32 way to solve this problem.

They are testing a new program that might help solve the problem of accidental 911 calls. This program will make 33 (call) of 911 calls push another key on the phone 34 it is a real emergency. People hope that this change 35 (reduce) the number of accidental 911 calls going through.

26. in          

27. More  

28. it       

29. who  

30. getting  

31. are pushed   

32. a     

33. callers   

34. if     

35. will reduce

略

III.语法填空：(共10题，每小题1.5分，共15分）

People can call 911 when they need help. The police will come quickly. This phone number should be used only 26 an emergency. But there have been some problems with people using the 911 phone number. 27 than half of the calls made to it are an accident. These accidental calls are not real emergencies.

Calling 911 when you do not need 28 can be very baD. It wastes the time of the people answering the calls. It can even force someone 29 has a real emergency to wait before 30 (get) the help they neeD.

Many accidental 911 calls come from cellphones. Sometimes keys on the phone 31 (push) and the call goes through without the owner of the phone knowing that he has called an emergency number. People are trying to find 32 way to solve this problem.

They are testing a new program that might help solve the problem of accidental 911 calls. This program will make 33 (call) of 911 calls push another key on the phone 34 it is a real emergency. People hope that this change 35 (reduce) the number of accidental 911 calls going through.

26、in   27、more   28、it   29、who   30、getting   31、are pushed    32、a    33、callers   34、if   35、will reduce  

II. 语法填空：(10×2)

People can call 911 when they need help. The police 1 (come) quickly. This phone number should be used only 2 an emergency. 3 there have been some problems with people using the 911 phone number. More than half of the calls made to it are an accident. These accidental calls are not real emergencies.

Calling 911 when you do not need 4 can be very baD. It wastes the time of the people answering the calls. It can even force someone 5 has a real emergency to wait before getting the help they neeD.

Many accidental 911 calls come from cellphones. Sometimes keys on the phones 6 (push) and the call goes through without the owner of the phone 7 (know) that he has called an emergency number. People are trying to find a way to solve this problem.

They are testing 8 new program that might help solve the problem of accidental 911 calls. This program will make 9 (call) of 911 push another key on the phone 10 it is a real emergency. People hope that this change will reduce the number of accidental 911 calls going through.

1.will come  2.in  3.But  4.it  5. who  6. are pushed  7. knowing  8.a   9.callers  10.if / when