牙周病局部促进因素不包括() A.牙石 B.牙面着色 C.食物嵌塞 D.牙位异常 E

题型:单项选择题

问题:

牙周病局部促进因素不包括()

A.牙石

B.牙面着色

C.食物嵌塞

D.牙位异常

E.乳光牙本质

考点:北京住院医师口腔科Ⅰ阶段口腔病理科口腔病理科题库
题型:单项选择题

Children’s Training Center
English
Time: 10:00 am --11:00 am on Mon. and Tues.
Room: 201
Teacher: Lucy King from USA
Enjoy easy English with fun!
Computer
Time: 2:00 pm --- 4:00 pm on Wed., and Fri.
Room: 503
Teacher: Colin Philips from Australia
Find yourself surfing on the internet freely!
Drawing
Time: 9:00 am ---11:00 am on Thurs.
Room: 307
Teacher: Sun Yang from Hangzhou
Your life in art starts here!
Swimming
Time: 3:00 pm --- 5:00 pm on Sunday  
Place: Swimming pool
Teacher: Mr Zhang from Ningbo sports school
See yourself in the magic waterland!
小题1:You may practice your English in the class in _________.
A. Room503      B. Room 307      C. Room 201
小题2: The person who teaches Computer is from___________.
A. Hangzhou    B. Australia      C. America          
小题3:You may learn about Chinese painting from __________.
A. Lucy King     B. Mr. Zhang     C. Sun Yang
小题4:If you want to stay cool in hot summer and have a good time in
water, you can go to the class from______.
A .3:00 pm --- 5:00 pm on Sunday  
B. 2:00 pm --- 4:00 pm on Wed., and Fri.
C. 9:00 am ---11:00 am on Thurs.
小题5: When is the Children’s training Center not open?
A. Thursday       B. Tuesday      C. Saturday
题型:单项选择题

两端直流输电系统可分为()。

A.单极系统

B.双极系统

C.背靠背系统

D.多极系统

题型:单项选择题

肝素主要是通过哪一种途径发挥抗凝作用()

A.抑制凝血酶的产生

B.直接抑制凝血酶的活性

C.激活抗凝血酶Ⅲ的活性

D.拮抗凝血酶受体

E.抑制肝脏合成的凝血因子Ⅱ、Ⅶ、Ⅸ、Ⅹ的活化

题型:单项选择题

男,59岁,肝癌晚期,疼痛剧烈,不能忍受,严重影响日常生活。对其实施镇痛方案,可选用()

A.阿斯匹林类

B.可待因类

C.弱麻醉性镇痛剂

D.杜冷丁类

E.非麻醉性镇痛剂

题型:单项选择题

试述罐车车体的一般结构?

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