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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】二极管两端加正向电压时,
A.
立即导通
B.
超过死区电压就导通
C.
超过0.2V就导通
D.
超过击穿电压就导通
E.
：B
F.
：单选题
G.
1、 图示分压偏置放大电路中，若减小 ，则集电极电流
H.
减小
I.
增大
J.
不变 K. 先减小，后增大
【单选题】最佳修复方案是
A.
直接改为活动义齿修复
B.
采用种植固定义齿修复
C.
全冠修复基牙后再改为活动义齿修复
D.
增加前端基牙数再行固定修复
E.
增加前端基牙数目再行固定活动联合修复
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing (裁判) decisions that denied victory to their team. A researcher was appointed to study the performanc...
A.
The ideal retirement age for an experienced football referee is 35.
B.
Age should not be the chief consideration in choosing a football referee.
C.
A football referee should be as young and energetic as possible.
D.
An experienced football referee can do well even when in poor physical condition.
【多选题】软X射线管的特点是（）
A.
采用铍窗作为软X射线管的输出窗口，以减少吸收
B.
摄影时主要是利用钼靶辐射的特征X射线
C.
阳极靶材料一般是由钼制成的
D.
极间距离短
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing(裁判) decisions that denied victory to their team. A researcher was appointed to study the performance...
A.
slightly above average
B.
higher than in the 1998 World Cup
C.
quite unexpected
D.
as high as in a standard match
相关题目：
【单选题】二极管两端加正向电压时,
A.
立即导通
B.
超过死区电压就导通
C.
超过0.2V就导通
D.
超过击穿电压就导通
E.
：B
F.
：单选题
G.
1、 图示分压偏置放大电路中，若减小 ，则集电极电流
H.
减小
I.
增大
J.
不变 K. 先减小，后增大
【单选题】最佳修复方案是
A.
直接改为活动义齿修复
B.
采用种植固定义齿修复
C.
全冠修复基牙后再改为活动义齿修复
D.
增加前端基牙数再行固定修复
E.
增加前端基牙数目再行固定活动联合修复
【多选题】准同期并列时并列开关两侧的电压允许相差为（ ）。
A.
0.1
B.
0.15
C.
0.2
D.
0.25
【单选题】在RL串联电路中,U R =16V,U L =12V,则总电压为
A.
28V
B.
20V
C.
2V
D.
30V
【单选题】最佳处理方案是( )
A.
静脉应用抗生素
B.
高锰酸钾坐浴
C.
观察
D.
物理治疗
E.
应用抗生素后，切开引流加造口术
【单选题】PN结加正向电压是,空间电荷区将______。
A.
变窄
B.
基本不变
C.
变宽
【单选题】最佳球镜是指( )。
A.
得到最佳视力的最高度数的负镜片
B.
得到最佳视力的最低度数的正镜片
C.
得到最佳视力的最低度数的负镜片
D.
得到最佳视力的半数散光量
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing (裁判) decisions that denied victory to their team. A researcher was appointed to study the performanc...
A.
The ideal retirement age for an experienced football referee is 35.
B.
Age should not be the chief consideration in choosing a football referee.
C.
A football referee should be as young and energetic as possible.
D.
An experienced football referee can do well even when in poor physical condition.
【单选题】51 单片机的供电电压为()v
A.
5
B.
3.3
C.
0
【单选题】恐怖症的最佳疗法是
A.
系统脱敏
B.
满灌法
C.
厌恶疗法
D.
行为塑造法
E.
生物反馈治疗
【单选题】母犬的最佳配种年龄?()
A.
6月龄
B.
1.5岁(第2次发情时)
C.
2岁
D.
没有限制
【多选题】软X射线管的特点是（）
A.
采用铍窗作为软X射线管的输出窗口，以减少吸收
B.
摄影时主要是利用钼靶辐射的特征X射线
C.
阳极靶材料一般是由钼制成的
D.
极间距离短
【判断题】相线间的电压就是线电压。
A.
正确
B.
错误
【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing(裁判) decisions that denied victory to their team. A researcher was appointed to study the performance...
A.
slightly above average
B.
higher than in the 1998 World Cup
C.
quite unexpected
D.
as high as in a standard match
【判断题】可控硅的伏安特性是指电阻-电压特性。（）
A.
正确
B.
错误