their different packing
their same nature
their different destinations
their different natures
第1题：
For many years, the principle goal of computer(73)was to write short pieces of code that would execute quickly. The(74)needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.
A．users
B．programmers
C．that
D．program
第2题：
The term Longitudinally Separated From by a Complete Hold in the preparation of stowage plan for dangerous cargoes means that ________ ．
A.the cargoes shall be stowed in such positions that their vertical distances be greater than 3 meters
B.the cargoes shall be stowed in different holds or compartments
C.the cargoes shall be stowed in different holds or compartments between which there is at least a complete compartment
D.the cargoes shall be stowed in different holds or compartments between which there is at least a complete hold
第3题：
(A) needed
(B) had to
(C) might
(D) used to
正确答案：B
解答参考：B.need作情态动词使用时没有过去的形态，而作行为动词使用时则应后接动词不定式，而非动词原形;have to：强调客观需要，表示不得不，必须;might：表示许可，或推测;used to：过去时常，过去曾(而现在不再)做。【译文】她匆忙离开了宴会因为第二天一大早她就得赶到飞机场。
第4题：
Because of ______，no separation is needed for the cargoes destined for New York．
A.Their different packing
B.Their same nature
C.Their different destinations
D.Their different natures
第5题：
You are on a multiple-product chemical tanker and will carry cargoes of isophorone，ethylenediamine，and creosote. Which of the following is TRUE?
A.All of these cargoes are compatible
B.Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote
C.All of these cargoes are incompatible
D.Ethylenediamine is compatible with isophorone but both are incompatible with creosote
第6题：
The term Away From in the preparation of stowage plan for dangerous cargoes means that ________ ．
A.the cargoes shall be stowed in such positions that their vertical distances be greater than 3 meters
B.the cargoes shall be stowed in different holds or compartments
C.the cargoes shall be stowed in different holds or compartments between which there is at least a complete compartment
D.the cargoes shall be stowed in different holds or compartments between which there is at least a complete hold
第7题：
Segregation of cargoes refers to ______.
A.separating cargoes so that the inherent characteristics of one cannot damage the other
B.separating cargoes by destination
C.classifying cargoes according to their toxicity
D.listing the cargoes in order of their flammability
第8题：
Why did American city residents want to live in the suburbs after World War Ⅱ?
A. Because older American cities were dying.
B. Because they were richer and needed more space.
C. Because cities contained the wont pare of society.
D. Because they could hardly afford a live in the city.
第9题：
______ is not likely to be a methods of Traffic Separation．
A.Separation of opposing streams of traffic by separation zones or lines
B.The separation of through traffic from local traffic by provision of inshore traffic zones
C.Division of traffic from several different direction into sectors
D.Control of routing traffic through shipping routes
第10题：
Certain cargoes must be segregated because of their ______．
A.Inherent characteristics
B.Weight
C.Destination
D.Danger to humans