[单选题]超声波斜入射时,折射波方向与界面法线的夹角称为( )。
A.入射角
B.反射角
C.法向角
D.折射角

[单选题]下列属于自由王国社会状态的是( )
A. 奴隶社会
B. 封建社会
C. 资本主义社会
D. 共产主义社会

[不定项选择题]某女，37岁。风湿性心脏病病史，因并发心力衰竭服用地高辛和利尿剂治疗，症状减轻，近2日无明显诱因出现食欲不振、恶心，心电图示频发室早，经诊断为洋地黄中毒。 下列中药与洋地黄类药物同用会增加洋地黄类药物毒性的是
A.桂枝
B.石膏
C.人参
D.甘草
E.野菊花

[单项选择]当小型甲、乙、丙类液体储罐直埋时，其与高层民用建筑的防火间距比露天的储罐防火间距减少（　）%。
A. 10
B. 30
C. 25
D. 50

[单项选择]在很多农村地区，子女无力赡养、互相______、财产分配不均、家庭关系不和等导致老年人无人赡养的情况______。 填入横线部分最恰当的一项是( )。
A. 推迟 司空见惯
B. 推脱 习以为常
C. 推诿屡见不鲜
D. 推托 绝无仅有

[判断题]公路法规定，用于公路监督检查的专用车辆，应当设置统一的标志和示警灯。( )
A.正确
B.错误

[填空题]对达到轻伤的锈蚀钢轨应使用（）每季度至少检查1遍。

[判断题]消防器材应置于通风、干燥、便于取用的位置，可以不设有明显的指示标志。
A.正确
B.错误

[单项选择]城市人民政府可以结合本地具体情况，制定（）国家规定的城市容貌标准。
A. 轻于
B. 严于
C. 符合
D. 等同

[判断题]经常不带负荷的备用蓄电池，每3个月进行一次充电和均衡充电。
A.正确
B.错误

[单项选择]There are essentially two basic categories of fraud. The first, (31) really is lying, is sometimes called positive fraud, (32) saying something that is not true. Under this category would (33) the making of representations that have no basis in fact, even if the person making the statement does not know them to be (34) Without wishing to demean the many real estate agents who (35) such practices, I think of the real estate agents who say "this place is in great (36) " when they know the plumbing and wiring are bad—that’s (37) a lie or who say "The schools in this district are wonderful" when they really haven’t (38) the schools and are pretending to know about them. In either of these examples, the person making the statement is asking to be (39) as a knowledgeable professional, and to have his or her statements relied upon. (40) , if someone in fact does rely on those representations and suffers damages as a (41
A. it
B. that
C. which
D. one