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【简答题】
由由局部通风机将掘进工作面爆破所产生的有害气体通过风筒吸出排往巷道中,新鲜风流则由巷道进入工作面,风筒的排风口必须改在主要巷道风流方向的下方,距掘进巷道口也不得小于10m,称____。
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【单选题】关于PSC检查持证人员的GMDSS设备操作能力，下列叙述不正确的一项是_____。
A.
熟练操作DSC设备
B.
正确使用SSB设备呼叫海岸电台
C.
启动EPIRB
D.
及时接收MSI
【简答题】Note 6: Pre-existingconditions may _____________.
【判断题】A pre cipitating factor refers to the factors may promote the onset of diseases .
A.
正确
B.
错误
【判断题】Chinese teachers hold the opinion that skills should be acquired as early as possible, while American educators think that creativity should be acquired early
A.
正确
B.
错误
【多选题】Some common activities in pre-listening stage may include :
A.
Scene setting
B.
Predicting
C.
skimming
D.
skanning
【单选题】In the early 1950s,historians who studied pre-industrial Europe (which we may define here as Europe in the period from roughly 1300 to 1800) began, for the first time in large numbers, to investigate ...
A.
They had new findings.
B.
They expanded the period defined as pre-industrial Europe.
C.
They investigated the common people who took up the majority of the population.
D.
The investigations were on the kings, generals ,judges, nobles, bishops, and local magnates.
【单选题】Educators think that television is ____.
A.
more and more illiterates of children
B.
more and more children of illiterates
C.
more and more children to become illiterates
D.
more and more children will become illiterates
【单选题】Which of the following may possibly be the reason for why several EU countries are now pressing ahead with their own harmonisation deal?
A.
Vetoes from some countries blocked Rome III from being put into effect.
B.
Citizens in those countries require the government to do so.
C.
Rome Ⅲ was just too ambitious to encompass all the issues that may occur in Europe, thus lacking of feasibility in specific cases.
D.
Differences between civil law system and common law system force this.
相关题目：
【单选题】关于PSC检查持证人员的GMDSS设备操作能力，下列叙述不正确的一项是_____。
A.
熟练操作DSC设备
B.
正确使用SSB设备呼叫海岸电台
C.
启动EPIRB
D.
及时接收MSI