【单选题】The boat seesawed in the heavy sea.
【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】A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a ______.
【单选题】Heavy fuel oils when spilled are ______.
A.
more harmful to sea life than lighter oils
B.
easier to clean up than lighter refined oils
C.
less harmful to sea life than lighter oils
D.
not a real threat to marine life
【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】When a sea anchor is used in landing stern first in a heavy surf, sternway is checked by ( ).
A.
slacking the tripping line and towing the sea anchor from the stern
B.
slacking the tripping line and towing the sea anchor by the holding line
C.
towing with the tripping line and leaving the holding line slack
D.
towing the apex end forward with the tripping line
【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>