支配下颌1~4唇颊侧牙龈、下唇黏膜的为() A.颊神经 B.下牙槽神经 C.舌神经

题型:单项选择题 B型题

问题:

支配下颌1~4唇颊侧牙龈、下唇黏膜的为()

A.颊神经

B.下牙槽神经

C.舌神经

D.颏神经

E.舌下神经

考点:口腔医学主治医师口腔解剖学口腔解剖学题库
题型:单项选择题 B型题
某公司生产A、B两类产品,每类产品均有一般品和优等品两种,某月的产量如下表:
AB
优等品100x
一般品300400
按分层抽样的方法在该月生产的产品中抽取50个,其中A类20个.
(Ⅰ)求x的值;
(Ⅱ)用分层抽样的方法在B类中抽取一个容量为6个的样本,从样本中任意取2个,求至少有一个优等品的概率.
题型:单项选择题 B型题

第二节完形填空(共20小题;每小题1分,满分20分)

请认真阅读下面短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。

Long long ago, a little boy loved to play around an apple tree. He climbed to the tree, ate the apples, and took a nap under the shadow.... He loved the tree   36 the tree also loved him.

Later, the boy grew up and   37 . The tree was sad. One day, the boy returned and the tree was   38 . “Come and play with me,” the tree said. “I have to work for my family. We need a   39  for shelter. Can you help me?” The boy said. “Cut off my branches to build your house,” the tree said. So the boy cut all the branches   40  the tree and left happily. The tree was glad to see him happy, but the boy never came back. The tree was again   41  and sad.

Once the boy came again. “Come and play with me!” the tree said   42  . “I want to go   43  to relax myself. Can you give me a boat?” The boy said. “Use my   44  to build your boat. You can sail far away and be happy.” The tree said. So the boy cut the tree trunk to make a boat. He went sailing and never showed up for a long time.

Finally, the boy   45  after he left for so many years. “Sorry, my boy, I have nothing for you,” the tree said. “The only thing   46  is my dying roots,” the tree said with tears. “I don’t need much now, just a place to rest. I am tired after all these years.” The boy   47 .

“Good! Old tree root is the best place to sit   48 . Come, sit down with me and rest.” The boy sat down and the tree was glad and   49  with tears.

This is a story about everyone. The tree is our parents. When we are   50 , we love to play with them. When we grow up, we   51  them, and only come to them when we need something or we are in trouble. However, parents will   52  be there and give everything that they could .You may think that the boy is cruel   53  the tree but that’s how all of us are   54  our parents in real life. Shouldn’t we give more   55  to our parents?

36. A. so                B. but              C. and            D.  while

37. A. graduated          B. left               C. cheered         D. stayed

38. A. sad              B. pleasant           C. angry           D. excited

39. A. box             B. house             C. car            D. room

40. A. off               B. on               C. over           D. in

41. A. delighted          B. satisfied           C. alone          D. lonely

42. A. coldly            B. happily           C. surprisingly     D. bitterly

43. A. hunting           B. camping           C. swimming     D. sailing

44. A. root              B. branches          C. trunk          D. leaves

45. A. returned          B. turned             C. disappeared    D. approached

46. A. remaining         B. to go             C. leaving         D. left

47. A. shouted           B. replied           C. requested        D. asked

48. A. against            B. in               C. on             D. over

49. A. smiled            B. cried            C. wept           D. cheered

50. A. aged             B. young            C. adults           D. old

51. A. remember          B. forget            C. leave           D. dislike

52. A. seldom            B. never            C. sometimes       D. always

53. A. to                B. with             C. about           D. upon

54. A. curing            B. cheating          C. loving          D. treating

55. A. food              B. care             C. money          D. clothing

题型:单项选择题 B型题

已知某泵轴功率为100KW,转速为2950r/min,求转速1450r/min时的轴功率?

题型:单项选择题 B型题

下列电气设备,不宜进行介质损耗测试的是()。

A.变压器

B.充油式互感器

C.支柱绝缘子

D.耦合电容器

题型:单项选择题 B型题

安全事故处理的原则包括()。

A.防范措施没有落实不放过

B.安全制度没有完善不放过

C.事故原因没有查清不放过

D.职工群众没有受到教育不放过

E.责任人员没有受到处理不放过

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