关税壁垒的存在主要是为了( )A．抵制进口，保护民族工业 B．抬高物价，抑制人民消

根据短文内容判断正T误F。

     Mr Black is an English teacher in a middle school. He teaches English. He often gets up early every

day, and he has breakfast at seven thirty in the morning. Then he goes to school. He works very hard

all day, and he also plays sports with his students. After school, he goes home at five in the afternoon. 

 He has dinner at six. After that he does his work in the room. He has a little cat, and he loves it very

much. He plays with it in the evening.

( )1. Mr White is an English teacher.                      

( )2. He teaches English in a primary school.              

( )3. He has breakfast at seven in the morning.            

( )4. He plays sports with his students.                    

( )5. Mr White has a little dog, and he likes it very much.

放射性辐射污染是指排放出的放射性污染物造成的环境污染和人体危害，放射性辐射污染的主要来源不包括（）。

A.人类活动增加的辐射

B.核燃料的"三废"排放

C.紫外线

D.宇宙线

33岁女性患者，引产10天后发热伴腹痛3天。体查：全腹软，少量 * * 血性分泌物，宫颈举痛（+），子宫增大如孕3个月，宫体压痛，双附件增厚压痛，T39.2℃，WBC17.5×10⁹／L，中性粒细胞90%。

如静滴抗生素3天后，患者持续高热，复查B超显示盆腔左侧包块6cm×7cm×5cm，下一步的处理为（）。

A.口服广谱抗生素

B.中药治疗

C.理疗

D.继续静滴广谱抗生素

E.立即剖腹探查

在某个家庭面临贫困时，社会工作者的服务内容包括（）。

A.帮助该家庭分析导致贫困的原因，并提升社会工作者的专业素养

B.协助该家庭形成应对贫困的策略，并掌握好缓解压力的方法

C.配合该家庭采取应对贫困的行动，并协助其认识家庭自身的潜能

D.鼓励该家庭看到行动的成效，并提出社会工作者的后续服务方向

E.为该家庭提供一切经济援助

预压桩施工时，预压荷载应达到多少？

A．桩的设计荷载的100％

B．桩的设计荷载的120％

C．桩的设计荷载的150％

D．桩的设计荷载的200％