logo - 刷刷题
下载APP
【单选题】

烟青虫的最佳防治时期()。

A.
2龄前
B.
3龄前
C.
4龄前
D.
5龄前
题目标签:烟青虫防治最佳
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【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】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】防治“煤壁线”附近局部冒顶的措施不对的是( )。

A.
及时支护顶板
B.
严禁空顶作业
C.
严格执行敲帮问顶
D.
加大工作面端面距