【单选题】下列各项,关于肺炎链球菌肺炎叙述,错误的是
【简答题】听下面一段材料,回答第1-4题。 1.What is the man? A. A nurse. B. A doctor. C. A chemist. 2. What is wrong with the woman? A. She is wet all over. B. She has a bad headache. C. She has had a cough for three days. 3....
【多选题】某些花岗岩会产生氡( ),从而对人体产生伤害,下列关于 的叙述中错误的是 [ ]
【单选题】已知反应AsO 4 3- +2I - +2H + AsO 3 3- +I 2 +H 2 O是可逆反应。设计如图装置(C1、C2 均为石墨电极),分别进行下述操作: Ⅰ.向B烧杯中逐滴加入浓盐酸 Ⅱ.向B烧杯中逐滴加入40% NaOH溶液结果发现电流计指针均发生偏转。 据此,下列判断正确的是 [ ]
B.
操作Ⅱ过程中,盐桥中的K + 移向B烧杯溶液
C.
操作I过程中,C2棒上发生的反应为:AsO 4 3- +2H + +2e - =AsO 3 3- +H 2 O
D.
操作Ⅱ过程中,C1棒上发生的反应为:2I - =I 2 +2e -
【单选题】某些花岗岩会产生氡( 222 86 Rn)对人体产生伤害,下列关于 222 86 Rn的叙述中错误的是 ( )
【多选题】如何对该门课进行学习?好的方法是
A.
主动参与教学活动,如讨论、模拟、问题情境、案例分析、评价等
B.
充分利用学习资源,不满足于教师讲授,课下也要投入时间和精力
D.
多向有经验的老教师请教,按照他们的思路和理念设计课堂教学
【单选题】What is wrong in the following statement?
A.
NewYork is the safest big city in the country.
B.
A gunman killed 6 Sikh worshipers at a Temple in the State of Wisconsin.
C.
A gunman killed 12 people attending a movie in the State of Colorado.
D.
Bloomberg said not all those wounded in the New York attack are expected to survive.
【简答题】请回答问题。 1. What is wrong with the passenger? 2. What should the passenger do to relieve the pain? 3. What causes the pain? 4. Is earache very common in the flight?
【单选题】了解了历史、现在、未来三类信息,对人的职业选择有什么影响?
【单选题】下列各项,关于肺炎链球菌肺炎叙述,错误的是