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举报参考答案：
举一反三
【简答题】（本小题满分12分）已知向量 ,向量 与向量 夹角为 ，且 ．(1)求向量 ；(2)若向量 与向量 的夹角为 ，其中 ， B， 为 的内角，且 ， ， 依次成等差数列，试求| |的取值范围。
【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】●最佳二叉搜索树是 (36) 。
A.
关键码个数最少的二叉搜索树
B.
搜索时平均比较次数最少的二叉搜索树
C.
所有结点的左子树都为空的二叉搜索树
D.
所有结点的右子树都为空的二叉搜索树
【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】按照存货准则规定,下列项目不应计入企业存货范围的有( )
A.
库存商品
B.
约定未来购入的存货
C.
库存受其他单位委托代销、代加工的存货
D.
处在生产过程中的半成品
【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：
【简答题】（本小题满分12分）已知向量 ,向量 与向量 夹角为 ，且 ．(1)求向量 ；(2)若向量 与向量 的夹角为 ，其中 ， B， 为 的内角，且 ， ， 依次成等差数列，试求| |的取值范围。
【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】●最佳二叉搜索树是 (36) 。
A.
关键码个数最少的二叉搜索树
B.
搜索时平均比较次数最少的二叉搜索树
C.
所有结点的左子树都为空的二叉搜索树
D.
所有结点的右子树都为空的二叉搜索树
【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】按照存货准则规定,下列项目不应计入企业存货范围的有( )
A.
库存商品
B.
约定未来购入的存货
C.
库存受其他单位委托代销、代加工的存货
D.
处在生产过程中的半成品
【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
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