【单选题】要证明某一器官具有很强的吸收功能,若用透射电镜观察相应的细胞,最支持有此功能的结构应该是以下哪一组合
【单选题】Water accumulation in the cylinder of a secured engine is an indication that the _______.
A.
soft water pump was not secured along with the engine
B.
jacket water thermostat has failed
C.
cylinder liner may be cracked
D.
raw water pump is over-speeding just prior to engine shutdown
【单选题】The ladder shall ______.
A.
be secured in a position so that it rests firmly against the ship's side from which the discharge operations are carried out
B.
have at least two replacement steps which are secured in position by a method different from that used in the original construction
C.
have battens made of hardwood,or other material of equivalent properties,in one piece and not less than
D.
have steps made of softwood,or other material of equivalent properties,made in one piece free of knots,having an efficient slip surface
【判断题】经济学研究理性人有效利用稀缺资源最大限度满足愿望的选择原则。
【简答题】if the anchor is secured firmly in sea bottom, what do you report?
【多选题】科尔沁蒙古族服饰受到( )和( )较深的影响。
【简答题】Buildings should be secured __________ (地震多发地区)。
【简答题】Can a loan be secured by the goods which is just imported?