【单选题】2018年,贵州入围世界遗产名录的景区是( )。
【单选题】患者,男性,66岁,患慢性组塞性肺疾病多年,护士在指导进行呼吸训练时,吸气与呼气时间比最好是
【单选题】图示为某建筑一层墙身局部构造图,请选择地面标高标注正确的一项。
【简答题】现代旅游活动的开展有哪些主要特点?认识这些特点有何意义?
【单选题】在海上遇险和救助中,搜寻基点可由()确定。 Ⅰ岸上当局Ⅱ海面搜寻协调船Ⅲ救助船的推算
【单选题】在海上遇险和救助中,搜寻基点可由__确定。1岸上当局;2海面搜寻协调船;3参与搜救的救助船的推算。
【单选题】When externalities are present in a market, the well-being of market participants
A.
and market bystanders are both directly affected.
B.
and market bystanders are both indirectly affected.
C.
is directly affected, and market bystanders are indirectly affected.
D.
is indirectly affected, and market bystanders are directly affected.