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【简答题】
小李为了“研究凸透镜成像规律”，做了如图所示的实验，请你帮他完成下列问题 （1）凸透镜、蜡烛、光屏应放在同一直线上，并使、凸透镜、光屏三者的中心在______ 高度； （2）当蜡烛距凸透镜的距离小于该凸透镜的焦距时，在轴上无论怎么移动光屏，光屏上也接收不到的像，此时所成的像是______像；（填“虚”或“实”） （3）将蜡烛放在距凸透镜1.5倍焦距处，成倒立、______的实像；（填“放大”或“缩小”） （4）奥运会安保检查采用的人脸识别系统中，摄像机可以自动将镜头前1m处的人脸拍摄成数码相片，摄像机镜头是利用了凸透镜成倒立、______实像的原理制成的．（填“放大”或“缩小”）
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参考答案：
举一反三
【单选题】听力原文：How often do you take a vacation? (A) I took one of them. (B) Four to five times an hour. (C) I take a vacation twice a year. (14)
A.
B.
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【多选题】老年人角色功能评估的内容应包括()
A.
一般角色
B.
家庭角色
C.
社会角色
D.
角色认知
E.
角色适应
查看完整题目与答案
【单选题】It is known that some pre-existing conditions are found to precede development of malignant neoplasms. Which of the following conditions is most likely to be statistically unrelated to subsequent mali...
A.
Chronic gastritis with intestinal type metaplasia of gastric mucosa
B.
Colonic villous adenoma
C.
Chronic skin ulcer
D.
Uterine leiomyoma
E.
Chronic ulcerative colitis
查看完整题目与答案
【单选题】How often did she fly after she took her first lesson?
A.
Seldom
B.
Twice a week
C.
As often as she could.
D.
Sometimes
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【单选题】Which disease is not associated with Helicobacter pylori infection in the stomach?
A.
chronic gastritis
B.
acute  gastritis
C.
gastric carcinoma
D.
chronic gastric  ulcer
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【简答题】老年人的角色承担一般包括 _________ 、 _________ 和 _________
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【单选题】They often took of his lack of experience.
A.
benefit
B.
advantage
C.
use
D.
good
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【单选题】美国行为科学家赫茨伯格提出的理论是
A.
双因素理论
B.
X-Y理论
C.
人类需要层次理论
D.
成熟度理论
E.
强化理论
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【单选题】What is the most typical pathological change in this picture?【图片】
A.
Acute gastritis
B.
Gastric cancer
C.
Gastric ulcer
D.
Chronic gastritis
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【单选题】Which is not belong to the characters of chronic atrophic gastritis?
A.
Atrophy of the epithelial elements including destruction of the glands.
B.
Inflammatory cell infiltrate in the deeper layer of the mucosa.
C.
Metaplasia.
D.
No histological changes in the deep layer of mucosa containing gastric glands.
查看完整题目与答案
相关题目：
【单选题】听力原文：How often do you take a vacation? (A) I took one of them. (B) Four to five times an hour. (C) I take a vacation twice a year. (14)
A.
B.
查看完整题目与答案
【多选题】老年人角色功能评估的内容应包括()
A.
一般角色
B.
家庭角色
C.
社会角色
D.
角色认知
E.
角色适应
查看完整题目与答案
【单选题】It is known that some pre-existing conditions are found to precede development of malignant neoplasms. Which of the following conditions is most likely to be statistically unrelated to subsequent mali...
A.
Chronic gastritis with intestinal type metaplasia of gastric mucosa
B.
Colonic villous adenoma
C.
Chronic skin ulcer
D.
Uterine leiomyoma
E.
Chronic ulcerative colitis
查看完整题目与答案
【单选题】How often did she fly after she took her first lesson?
A.
Seldom
B.
Twice a week
C.
As often as she could.
D.
Sometimes
查看完整题目与答案
【单选题】Which disease is not associated with Helicobacter pylori infection in the stomach?
A.
chronic gastritis
B.
acute  gastritis
C.
gastric carcinoma
D.
chronic gastric  ulcer
查看完整题目与答案
【简答题】老年人的角色承担一般包括 _________ 、 _________ 和 _________
查看完整题目与答案
【单选题】They often took of his lack of experience.
A.
benefit
B.
advantage
C.
use
D.
good
查看完整题目与答案
【单选题】美国行为科学家赫茨伯格提出的理论是
A.
双因素理论
B.
X-Y理论
C.
人类需要层次理论
D.
成熟度理论
E.
强化理论
查看完整题目与答案
【单选题】What is the most typical pathological change in this picture?【图片】
A.
Acute gastritis
B.
Gastric cancer
C.
Gastric ulcer
D.
Chronic gastritis
查看完整题目与答案
【单选题】Which is not belong to the characters of chronic atrophic gastritis?
A.
Atrophy of the epithelial elements including destruction of the glands.
B.
Inflammatory cell infiltrate in the deeper layer of the mucosa.
C.
Metaplasia.
D.
No histological changes in the deep layer of mucosa containing gastric glands.
查看完整题目与答案
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