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问题
单项选择题
()是建设项目管理的基础。
A.项目环境和条件的调查分析
B.项目目标的分析和再论证
C.组织策划
D.合同策划
答案
参考答案:B
填空题
设向量
a
,
b
,
c
满足
a
+
b
+
c
=
0
,
a
⊥
b
,且
a
,
b
的模分别为s,t,其中s=a
1
=1,t=a
3
,a
n+1
=na
n
,则
c
的模为______.
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填空题
CONVERSATION 1 (Questions 1-4)
Miss Jones: responsible for marketing
(1)
UK hotels.
Miss Jones: responsible for markets in
(2)
and Japan.
Miss Jones has had a lot of contact with Japan because
(3)
have become very popular with the Japanese.
Miss Jones traveled across China by train about
(4)
years ago.
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