新世纪新阶段，我国已经站在一个新的历史起点上，促进国民经济又好又快发展，面临许多

若直角三角形ABC有两边长分别为5cm，12cm，则第三边长为______cm．

用所给词的适当形式填空（6分）：

小题1:Who can jump the _________________ (far) in your class, Sandy, Lucy or Kate?

小题2:Chen Kaige is one of the famous ________________ (direct) in China.

小题3:The boy’s ________________ (die) is a great disaster to his parents.

小题4:There’s always a risk of getting killed, so the family has to move away to another city for ________________ (safe).

小题5:Shortly after, the ____________ (France) director told me that he had devoted his lifetime to the industry.

小题6:Chinese people have found out the ______________ (true) through many years’ struggle.

下面两个路牌是北京西城区两条马路的名称，都是以抗日英烈的名字来命名的。你知道这两位抗日英雄牺牲在下面什么抗战中

A．卢沟桥抗战B．平型关大捷C．百团大战D．台儿庄战役

下列哪一种生物活性介质不能引起支气管平滑肌痉挛（）

A.组胺

B.前列腺素F

C.前列腺素E

D.神经肽

E.P物质

()负责公司信息批露制度。

A.董事长

B.总经理

C.监事会

D.董事会秘书