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【简答题】
已知P(A)=α，P(B)=0.3， (1)若事件A与B互不相容，求α； (2)若事件A与B相互独立，求α．
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举一反三
【单选题】After the birth of the college rankings,
A.
most of the people believed it would become important in the future.
B.
it became one of the subjects in academic fields.
C.
only a few countries imitated the college rankings.
D.
less than 21 countries imitated the college ranking, including Canada and Italy.
【简答题】For this part, you are allowed 30 minutes to write a composition on the topic The Most Important Influence on Young s . You should write about 120 words following the Chinese outline given below....
【简答题】The English great writer Geoffrey Chaucer was born in 1343 and died in 1400. His most important work is______, a long poem made up of a general introduction and 24 stories.
【简答题】物料之所以有轻质和重质之分，主要是因为______。
【多选题】下列工作中不属于水下地形测量的内业工作的有（）。
A.
测深断面线和断面点的设计与布设
B.
将外业测角和测深数据汇总并核对
C.
由水位观测结果和水深记录计算各测点高程
D.
展绘测点，注记相应高程
E.
在图上钩绘等高线或等深线
【单选题】下列工作中不属于水下地形测量的内业工作的有（）
A.
测探断面线和断面点的设计与布设
B.
由水位观测结果和水深记录计算各测点高程
C.
展绘测点，注记相应高程
D.
在图上钩绘等高线或等深线
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