甲项目的标准离差率大于乙项目，则（） A.甲项目的风险小于乙项目 B.甲项目的风

与桥体所受力大小有关的是桥体的（）

A.颊舌向径

B.轴面形态

C.龈面形态

D.自洁形态

E.强度

所谓“管间侧支”是指

A．相邻根管间的交通支

B．根管的细小分支

C．垂直于主根管的分支

D．主根管分支贯穿牙本质和牙骨质达牙周膜

E．根管在根尖部分歧

对下侧漫画中的做法理解正确的是 [ ]

A．有利于学术交流

B．省时省力，值得推广

C．学术参考，无可厚非

D．没有尊重他人的著作权

第二节：完形填空（共20小题；每小题1分，满分20分）

阅读下面短文，掌握其大意，然后从21 – 40 各题所给的四个选项（A, B, C, 和D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。

It was so cold that I couldn’t feel my legs. There was going to be a racing contest that night so I was 21 my horse, Skippy, up. I was simply running laps(跑道的圈) around the ring. The  22  cold air had been blowing past me, freezing my limbs, but every second I  23  it. You could hear the faint  24  of the people up at the clubhouse eating their dinner. My parents were also there, not knowing that my little sister had slowly wandered her way down to the ring. It was  25  because there was no moon or stars. Nobody else was in the ring at the time. I was really enjoying the 26  and I was able to  27  what Skippy was doing. As I took my last lap it  28 . Everything rapidly slowed down as I saw my little sister step  29   the ring. I saw true fear on her face because she knew she wouldn’t be  30  to move out of the way fast enough. She knew that she was going to get hit.

She tried to  31  but nothing came out of her fear-dried throat. When my horse got to her, he was still in a full out run.  32 , miraculously(奇迹般地), he slid so hard on his back feet that he  33 . It really made the  34  seem absolutely unreal. I thought that maybe I was  35 . I had  36  in my mind that I wasn’t seeing what was happening. I knew I had hit my sister. There was no way I could have  37  her. My horse was rising straight up and while he was in the air I couldn’t breathe. It’s like I forgot  38 . As all of this happened I watched my sister’s face transform (变形) through many different  39 : terror, confusion, curiosity, and then a sort of relief. Then she was laughing.

As I held my sister into my arms, Skippy stood right behind me knowing that I actually owed him my life  40  he saved my sister’s.

21.A. picking                B. warming                  C. catching                   D. setting

22.A. bitterly                B. hardly                      C. gently                      D. perfectly

23.A. challenged                  B. witnessed                 C. enjoyed                    D. hated

24.A. ceremony                   B. tradition                   C. victory                            D. laughter

25.A. windy                        B. bright                      C. dark                         D. cloudy

26.A. quiet                          B. quality                            C. impression                D. significance

27.A. rely on                   B. focus on                   C. insist on                   D. put on

28.A. let out                 B. held on                    C. participated in               D. took place

29.A. close to               B. out of                      C. into                         D. towards

30.A. able                 B. frightened          C. content                     D. proud

31.A. evaluate               B. worry                      C. scream                            D. escape

32.A. Accidentally         B. Normally                 C. Generally                 D. Somehow

33.A. sped up               B. rose up                        C. broke down                     D. wore out

34.A. moment               B. contest                            C. comment                  D. technique

35.A. advancing                   B. breathing                  C. concluding               D. dreaming

36.A. that                            B. none                        C. neither                            D. it

37.A. hit                      B. recognized                C. missed                            D. acknowledged

38.A. how                           B. what                        C. when                       D. why

39.A. actions                B. emotions                  C. attitudes                   D. thoughts

40.A. if                               B. because                    C. as if                         D. so that