属于行针基本手法的是（） A.循法 B.弹法 C.刮法 D.提插法

阅读理解。

     Dogs are friends of man. They work for us. They hunt with us. They also play with us. But a long

time ago, all over the world, dogs were wild. Dogs can go back to the Stone Age. All dogs had the

same ancestor (祖先). It is believed that this ancestor was much like a wolf. Other animals, like fox,

also came from this ancestor. Thousands of years ago, man began to tame (使驯服) the wild dogs.

When the dogs were tamed, they were trained (训练) well. The strong dogs then became working

animals. They were trained to pull heavy loads (担子). They learned to keep watching over sheep

and other animals. Working dogs could do other things, too. Some dogs were not strong. But they

could help man hunt. Other dogs were best at pets. At first, there were only a few kinds of dogs.

Today, there are more than 100 kinds.

1.The word "wild" in the first paragraph means _____.

A. 温顺的

B. 野生的

C. 凶残的

D. 善良的

2. Dogs can go back to the Stone Age. Here "go back" means _____.

A. 追溯到

B. 回来

C. 违背

D. 返回去

3. From this passage, we know that _____.

A. all the animals have the same ancestor

B. all dogs are as wild as they were many years ago

C. man has helped change animals

D. animals never change

4. What jobs can dogs do?

A. Keep watching over sheep.

B. Hunt with man.

C. Pull heavy loads.

D. All the above.

5. The main idea of the whole story is that _____.

A. man and dogs have the same ancestor

B. all animals are too wild to be man's friends

C. dogs and man have been friends for a long time

D. people like to keep foxes as pets because they are tamer

产后身痛血瘀证宜选( )

A．养荣壮肾汤
B．独活寄生汤
C．黄芪桂枝五物汤
D．趁痛散
E．生化汤

产业组织结构的影响主要包括( )。

A．行业的周期性和成长性

B．市场集中度和行业壁垒程度

C．产业关联度

D．宏观政策

这几年北京的老人都能感到，北京城变绿了，变美了。

50多年前的北京城，除了护城河两岸的居民的院子里有点树以外，其他地方根本没有多少树。那时候的北京一刮大风，风沙使人睁不开眼睛。新中国成立以后，政府把绿化首都作为一项重要任务。经过50多年的努力，北京城变了样。过去光秃秃的北京城，现在有3200多处街心花园和绿地。从首都机场到石景山的百里长街两侧，从北京通往外地的5条公路两旁，形成了一条条绿色长廊。北京，变成了一个美丽的城市。

这段话主要说了（）

A．北京的植树情况

B．北京的过去和现在的情况

C．北京的百里长街

D．50多年以来，北京的绿化情况

支托窝与基牙长轴成多少度时，力顺牙长轴方向传递（）

A.20°

B.30°

C.45°

D.60°

E.90°