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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】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】高铁酸钾（K2FeO4）是一种高效的净水剂，下列关于该物质的叙述中正确的是（ ）
A.
它是一种氧化物
B.
高铁酸钾中铁元素的化合价为+6价
C.
它是一种混合物
D.
该物质含有两种非金属元素
【单选题】应用脱水剂时不正确的是（ ）。
A.
应在30分钟之内滴入
B.
20%甘露醇静脉滴注尽量快
C.
甘露醇有结晶，必须略加温后方可输注
D.
注意防止药液外渗
E.
必要时可重复使用
【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】下列关于掺防水剂水泥砂浆防水施工的说法中，错误的是()。
A.
防水砂浆中常用的防水剂有氯化物金属盐类防水剂和金属皂类防水剂
B.
当施工采用抹压法时，先在基层涂刷一层1：0.4的水泥浆，随后分层铺抹防水砂浆，每层厚度为10～15mm，总厚度不小于30mm
C.
氯化铁防水砂浆施工时，底层防水砂浆抹完12h后，抹压面层防水砂浆，其厚13mm分两遍抹压
D.
防水层施工时的环境温度为5～35℃
【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