【单选题】具有接收各区域型控制器传递信息的火灾报警控制器是____火灾报警控制器。
【判断题】( )交流电的有功功率是指瞬时功率在交流电一个周期内的平均值。
【单选题】The unique feature of geriatric nursing in Germany is:
A.
Home-based care services
B.
Attach importance to the "surplus capacity" and "personal needs" of the elderly, forming personalized care plan.
C.
Care for kids not for aging
D.
Complete the international qualification certification quickly.
【单选题】Which of the following is a unique feature of American Romanticism?
A.
American landscape as the subject matter.
C.
Stress on emotion and imagination.
D.
A love to the past and abnormal.
【简答题】把下面的5对词组通过最多四步概念联想连在一起。 例如:黑板——聂卫平: 黑板--棋盘--围棋--聂卫平 天空——茶 木材——皮球 高山——烟囱 足球——讲台 粉笔——原子弹
【单选题】在交流电流或交流电压不断变化的过程中,其数值在正、反方向时达到的最高点被称为交流电的( )。
【单选题】在正弦交流电的波形图上,如果两个正弦交流电反相,这两个正弦交流电的相位差是( )。
【多选题】The Air Waybill(AWB) is the most important document for a batch of air freight goods. The AWB number is the identification of each consignment. It comprises three parts: ( ).
A.
a three -digit prefix identifying the carrier
B.
the main portion identifying the consignment
C.
the main portion identifying the carrier
D.
the last check digit for accounting and security purposes
【单选题】Which of the following pictures best tells the movements of warm air and cold air?