【单选题】下列属于正确处理火灾的是( )。
B.
在火势可以控制的情况下,可以选择被子等物品将其及时扑灭
C.
住在高层的人遇到着火时,首先应该开门、开窗大声呼救
【简答题】Why do governments attach great importance to the Internet?
【多选题】触电对人体造成的危害与下列哪些因素有关( )。
【简答题】影响组织液生成与回流的因素有()、()、()和()。
【单选题】What did governments do to discourage the employment of older workers in the 1970s?
A.
offer early retirement to all employees
B.
offer incentives to businesses to take on younger employees
C.
only employ young trainees
D.
set specific age limit for employment
【多选题】触电对人体的伤害程度与哪些情况有关:().
【单选题】在发动机节气门开度和转速等均为变动的状态下,测定发动机功率的方法是( )。
【判断题】醇能与氢氰酸发生亲核取代反应生成相应的腈。
【单选题】Why do governments show special concern for agriculture?
A.
Because farm prices go up and down constantly.
B.
Because farmers usually earn less than other income groups.
C.
Because there is not much arable farmland left.
D.
Because farmers are confronted with fiercer competition.