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【简答题】
设随机变量X的分布列为P(X＝k)＝p k (1－p) 1 －k (k＝0.1,0＜p＜1)，则E(X)＝________.
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【单选题】Write the balanced equation for the reaction that occurs when methanol, CH 3 CH (l) is burned in air. What is the coefficient of methanol in the balanced equation?
A.
1
B.
2
C.
3
D.
4
E.
1.5
【判断题】所谓客户服务是指为支持企业的核心产品(或服务)而提供的服务。制造企业和商业企业的物流服务，就是用来支持其产品营销活动而向客户提供的一种服务，是客户对商品利用可能性的物流保障，这种物流服务也可称之为物流客户服务。
A.
正确
B.
错误
【单选题】Question 37-40Complete each sentence with the correct ending, A-F, below.Write be correct letter, A-F, in boxes 37 - 40 on your answer sheet.37 The Montreal researchers discovered that
A.
our response to music depends on our initial emotional state.
B.
neuron activity decreases if outcomes become predictable.
C.
emotive music can bring to mind actual pictures and events.
D.
experiences in our past can influence our emotional reaction to music.
E.
emotive music delays giving listeners what they expect to hear.
F.
neuron activity increases prior to key points in a musical piece.(37-40题请填大写字母；此处请填37题）
【单选题】After living for years in a big city, they found it difficult to settle ______ in a town.
A.
for
B.
at
C.
up
D.
down
【单选题】所谓客户服务是指为支持企业的核心产品(或服务)而提供的服务。制造企业和商业企业的物流服务，就是用来支持其产品营销活动而向客户提供的一种服务，是客户对商品利用可能性的物流保障，这种物流服务也可称之为物流客户服务。( )
A.
正确
B.
错误
【简答题】In that country, the cost of living ______ quickly after the war broke out. A) raced B) raised C) arose D) rose
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