以下与室性早搏的特征不相符的是（） A.完全性代偿间歇 B.提前出现的、宽大畸形的Q

阅读短文，选择正确答案。

      You can find out many things about a tree by studying its rings.

      Each year, from top to bottom, a tree grows a new layer (层) of wood around itself. If you cut across a

tree trunk or branches, you would see that these layers of wood look like rings. By counting tree rings, you can

tell how old the tree is. If you count ten rings, for example, the tree is ten years old. 

      Looking at the picture shown above, you can see that each tree ring has a dark part and a light part. The

light part wood grows in the spring, the dark part wood in winter. Look also, that some rings in the picture are

wide and others are narrow (窄). Trees grow aide rings during the years when they get a lot of water and

sun-light. By examining tree rings, you can tell what the weather may was like many years ago.

      Giant sequoia (红杉) trees, such as the one in the photo above, grow in north-western California. Some of

these sequoias have more than 3000 tree rings. Can you guess how old such a tree would be?

1. According to the story, a tree ring is a ______. [ ]

A: branch

B: layer of wood

C: giant sequoia

D: ten years old

2. A tree ring is added to a tree _______. [ ]

A: every ten years

B: every year

C: every 3000 years

D: every two years

3. The light part of a tree ring ______. [ ]

A: gets dark in the winter.

B: tells the tree's age.

C: grows in the spring.

D: gets light every year.

4. From the story, you can tell that ______. [ ]

A: all tree rings look the same.

B: most trees do not grow tree rings.

C: tree rings add to the tree's width.

D: most of the trees grow rings.

5. Look at the drawing above. If this were a slice (片) from a tree trunk, how old would the tree be? [ ]

A: Five years old.

B: five months old.

C: Six years old.

D: Ten years old.

右图反映了1870年和1900年的世界石油产量，以下选项中能影响该时期世界石油产量的是(    )

A．石油化工业大发展

B．飞机制造业大发展

C．斯蒂芬森发明了火车机车

D．内燃机的发明和使用

（一）清平乐•六盘山 毛 * * （4分）

天高云淡， 望断南飞雁。不到长城非好汉， 屈指行程二万。

六盘山上高峰， 红旗漫卷西风。今日长缨在手， 何时缚住苍龙^①？

[注释]①苍龙：传说中的一种凶神。

小题1:这首词中能体现出作者的壮志豪情且常被人们引用以表示战胜困苦艰难决心的是哪一句？（2分）

答：                                                                              

小题2:这首词下阕最后两句表达出了作者什么样的情感？（2分）

答：                                                                         

个人完成某种活动所必须具备的心理特征是( )

A．气质
B．性格
C．能力
D．人格

饭店员工要互相尊重，互相学习，善于倾听别人意见，（）。

A、有则改之、无则加勉

B、取人之长补己之短

C、知无不言、言无不尽

D、严以律己、宽以待人