【单选题】三腔两囊管用于哪种疾病出血时出血最好:( )
【单选题】通过船舶卫星系统设备经海事卫星和岸站传递的通信,其资费种类包括:()。
【单选题】海事卫星的通信资费包括______。(130394:第1章 GMDSS系统概述) (A-0,B-0,C-0,D-0,错误-0)
【单选题】In some countries, people ______ download (下载) music from the Internet without paying, because it’s against the law.
【单选题】Without the mobile phone and Internet,communicating with each other ________ quite difficult today. [ ]
【单选题】60129当构件混凝土强度达到 ()时,可以拆除边模。构件起吊应平稳,楼板应采用专用多点吊架进行起吊,复杂构件应采用专门的吊架进行起吊。
【单选题】According to Paragraph 2, without computers______
A.
human activities could not continue
B.
there could not be weather forecasting systems
C.
many activities would have to change their present form
D.
banks would not be able to go on with check clearing