关于意外，下面说法正确的是（）。 A.意外是指侵害的发生是违背保险人主观意愿的

按要求转换句子。

1. They run so fast. (感叹句)

    _______ _______ they run!

2. He is a very tall and thin man. (感叹句)

    _______ _______ _______ and thin man he is!

3. Jenny has long hair. (选择疑问句)

    _______ Jenny _______ long hair ______ short hair?

4. They sit under the tree every day. (用now改写句子)

    They _______ _______ under the tree now.

5. We watch TV in the room. (用she来改写句子)

     _______ _______ TV in the room.

6. Look, she's studying English over there. (用sometimes来改写句子)

    She _______ _______ English over there.

7. My pen pal comes from Canada. (复数)

    _____________________ from Canada.

8. These are their balls under the bed. (单数)

    _____________________ under the bed.

大型项目总进度纲要的主要内容包括( )。

A．总进度规划

B．各子系统进度规划

C．分部工程进度规划

D．确定里程碑事件的计划进度目标

E．分项工程进度规划

经胸骨上窝不可以检查哪种心血管结构（）

A.主动脉

B.上腔静脉

C.降主动脉

D.右肺动脉

E.下腔静脉

在等差数列{a_n)中，a₃=2，a₁₁=6；数列{b_n}是等比数列，若b₂=a₃，，则满足的最大的n是( )．

A．4

B．5

C．6

D．7

E．8

机械制图中，被浪线一般代表视图与剖视的分界线。