并不是演示文稿中的任何文字对象都可以在大纲视图中编辑。( )

一辆汽车从甲地开往乙地的过程中，前一半时间内的平均速度是30 km/h，后一半时间的平均速度是60 km/h，.则在全程内这辆汽车的平均速度是（  ）

A．35 km/h

B．40 km/h

C．45 km/h

D．50 km/h

请运用“假如……那么……”的句式，再续写两个句子。（4分）

在书中，假如你和李白一起畅游天姥山，那么你将收获到天鸡海日；

Mary likes to invent things. She creates a new language and teaches it to her friend, Jean. Mary and Jean like to talk to each other in their own language because they think no one understands them and it is funny. When they go shopping, they say things like: “Look! He is fat.” “This CD is awful.” “I want to eat free hamburgers.” A clerk comes but he can’t understand what they say. He asked them: “May I help you?” Mary and Jean just laugh. What fun it is to create something new.

小题1:Which is Mary’s invention?

A．Teaching her friend.

B．A new language.

C．Go shopping.

D．Making hamburgers.小题2:Why does Mary like speaking her new language with her friend Jean?

A．Because they can talk but no one knows what they say.

B．Because it’s easy to speak new language.

C．Because her friend Jean likes it.

D．Because she wants free hamburgers.小题3:What do they do in the store?

A．They buy some things.

B．They talk with the clerk.

C．They want to understand what people say.

D．They use their new language and talk about people and things.小题4:The clerk may think that ________, so he comes to help them.

A．maybe they need help

B．they talk about him

C．they laugh at him

D．they invent things小题5:According to the passage, creating something new is _____.

A．boring

B．interesting

C．hard

D．easy

某登山爱好者在攀登珠穆朗玛峰的过程中，发现他携带的手表表面玻璃发生了爆裂。这种手表是密封的，出厂时给出的参数为：27℃时表内气体压强为1×10⁵Pa；在内外压强差超过6×10⁴Pa时，手表表面玻璃可能爆裂。已知当时手表处的气温为-13℃，则手表表面玻璃爆裂时表内气体压强的大小为__________Pa；已知外界大气压强随高度变化而变化，高度每上升12m，大气压强降低133Pa。设海平面大气压为1×10⁵Pa，则登山运动员此时的海拔高度约为_________m。

我国现有森林的面积12852.78公顷，森林覆盖率是15%—16%。请问我国森林资源主要分布在（）

A、东北地区和西南地区

B、华北、西北包括秦岭、淮河以北地区

C、华南地区包括福建、广东、广西沿海、广西西南、云南南部以及台湾和海南等