【单选题】第三次科技革命以来电子计算机和信息技术飞速发展与广泛应用的重大意义在于
【判断题】设d=1,e=2,f=3,则逻辑表达 式!(d+e)+f&&e+f*2的值为0.
【单选题】If heavy sea strikes the ____ , the shock is transmitted through the tiller to _____.
A.
tiller arm; hunting gears
B.
tiller arm; the swivel blocks
C.
rudder, the swivel blocks
【单选题】Students ______ take books out of the reading rrom.
【单选题】某男,65岁。慢性阻塞性肺疾病l0年,肺心病4年,长期咳嗽咳痰,2天前因上感。咳嗽频作,大量脓痰咯吐不爽,胸闷心悸,神疲乏力,嗜睡,护士为其清理呼吸道。最有效的护理措施是( )
【单选题】Students take books out of the reading room.
【单选题】肉类脂肪大部分为
D.
1. D 非必需脂肪酸 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【判断题】As a rule, students are usually not allowed to take books out of this reading-room.