Raising temperature
less use of surfactant
more use of solvent
polishing device fouling prevention
第1题：
According to the passage, which of the following statements is correct?
A．A "revocable credit" may be cancelled at any time.
B．The credits are usually in favor of the exporter.
C．An "irrevocable credit" may not be amended.
D．The credits are usually in favor of the importer.
第2题：
Oil slick caused by spillage of oil from tanker ship is ______.
A.a drop of oil
B.the emulsion of oil at sea surface
C.the weathered oil
D.the oil floating on the surface of the sea water
第3题：
Which of the following scheduling methods uses more of the risk management concepts:
A ADM
B PDM
C CPM
D PERT
E Gantt
第4题：
Which of the following routing protocols uses AS-Path as one of the methods to build the routing table?（）
第5题：
Which of the following methods can move files in clear text and can be easily intercepted?（）
第6题：
Biodegradation of the oil slick in sea water is assisted by all the following marine micro-organisms which are capable of metabolising oil compounds except ______
A.bacteria
B.moulds
C.yeasts
D.seals
第7题：
Which of the following methods of user authentication is the MOST secure？（）
第8题：
Which one of the following is not an acquisition method?
A advertising
B invitation
C negotiation
D purchase
E all are acquisition methods
第9题：
Which of the following archiving methods only backs up data that has changed since the previous full backup?（）
第10题：
gravity separation
use of adsorbents
use of flocculents
use of chemical addition