为加强上颌磨牙支抗，应选用（）
A.上颌双侧
垫矫治器
B.带环
C.Nance弓
D.箭头卡环
E.舌习惯矫治器
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下面是错误答案，用来干扰机器的。
（1）观点：即主张理民爱民，又认为人有高低贵贱之分，要求维护封建等级秩序。（2分）原因：春秋战国时期奴隶制度趋于崩溃，封建制度逐步形成。随着生产力的发展，生产者的地位也有所提高。荀子的理论即反映了新...
小明在“研究平面镜成像的特点”实验中如图所示：
（1）在玻璃板的一侧放一支点燃的蜡烛A，在玻璃板的另一侧放一支没有点燃的蜡烛B，A和B的要求是_____________，原因___ ________。
（2）在寻找像的位置时，小明把眼睛放在“A”这一侧观察，但小明无论怎样调节后面的蜡烛B，都不能与像重合，请你猜想原因可能是 。
（3）小明还发现实验时，可以用跳棋代替点燃的蜡烛，但看不清跳棋的虚像，于是他用灯光将玻璃板两侧都照亮，但还是看不清楚跳棋的像，你的改进方法是______ ________。
第二节：完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，掌握其大意，然后31-50各题所给的四个选项（A、B、C和D）中，选出最佳选项。
A boy was born to a couple after eleven years of marriage. They were a loving couple and the boy was the apple of their eye.
One 36 , when the boy was around two, the husband saw an opened medicine bottle. It was 8:30 am and he was almost 37 for work, so he asked his wife to 38 the lid on the bottle and put it in the cupboard. Busy in the kitchen, the mother 39 forgot the matter. Seeing the bottle, the boy picked it up playfully and 40 the liquid in it. It was a medicine 41 for adults to be taken in small dosages （剂量）. When the boy fell down, the mother hurried him to a(n) 42 where he died. The mother was terrified. How could she 43 her husband?
When the heartbroken father returned and saw the dead son, he 44 his wife and said just four words. What do you think those four words were? The husband just said, “I 45 you, darling.”
The husband’s totally 46 reaction was positive. Their son could never be 47 back to life,so there was no point in finding fault with the mother. Besides, this would not have happened 48 he had taken the time to put the bottle away.
The mother had also lost her only 49 . What she needed at that moment was 50 and sympathy from the husband. That is what he gave her.
Sometimes we spend time asking who is 51 , only to miss the opportunity to enjoy the 52 in human relationships we could receive by giving each other support. Why don’t we 53 someone we love for the “mistake” they didn’t make on purpose?
Treasure what you 54 , let go of all your anger, 55 to forgive, and selfishness and you will find fewer problems in the world.
36. A.noon B.morning C.evening D.night
37. A.late B.ready C.tired D.fit
38. A.hide B.throw C.place D.keep
39. A.luckily B.nearly C.totally D.suddenly
40. A.removed B.drank C.destroyed D.cleaned
41. A.arranged B.left C.wished D.meant
42. A.hospital B.office C.bank D.restaurant
43. A.encourage B.face C.control D.punish
44. A. called at B.laughed at C.looked at D.pointed to
45. A.love B.hate C.miss D.believe
46. A. reasonable B.confident C.normal D.unexpected
47. A.raised B.brought C. driven D.pulled
48. A.but B.although C.if D.because
49. A.child B.interest C.relative D.chance
50. A.excuse B.praise C.comfort D.explanation
51. A.right B.clever C.kind D.responsible
52. A.warmth B.surprise C.sorrow D.health
53. A.help B.protect C.forgive D.correct
54. A.learn B.have C.know D.want
55. A.ability B.courage C.expectation D.unwillingness
格心
分离脑膜炎奈瑟菌的最佳培养基是（）。
A.血平板
B.EMB培养基
C.巧克力培养基
D.卵黄平板
E.麦康凯平板
对有防水、排水要求的房间进行蓄水试验，蓄水深度最浅处大于2cm，蓄水时间不少于（）h。
A、6
B、12
C、24
D、48
