简述MCM的组装技术？

阅读短文，根据括号中的汉语意思填入单词，使短文意思完整、通顺。每空一词。

     Born in the city, we regard the country life as something far away. We are used to everything in the city.

We are even getting used to the noises and  1______ (污染) in the city. It has become a part of our life. I have

 2______ (从不) been to the country. Nature is a word strange to us. This 3______ (夏天) I had the

opportunity to go with my parents on a visit to countryside.

     For the first time in my life I have the experience with the country life. Here I 4______ (意识) what a life

of nature is. This is a small 5______ (乡村) far from cities. It is at the foot of a mountain. The life there is

simple. It is 6______ (不同的) from the city life.

     There are few cars or other traffic on the way. The air is fresh. The sky is high. The people are friendly.

They are not as busy as the people in the big city. 7______ (到处) you can find people bathing in the sun. They

8______ (喝) clean water. The water comes from the mountain. They 9______ (享受) the quiet life very much. What's more, there you can hear the sound of nature. You can see the children playing with water in the river

and the dogs running after the people. All these make a 10______ (极好的,精彩的) picture of countryside.

How I love the country life!

可引起尿糖假阴性的是（）

A.葡萄糖醛酸

B.水杨酸

C.左旋多巴

D.维生素C

E.青霉素

不属于现况研究的目的与任务的是（）

A.描述疾病的地区分布

B.描述疾病的人群分布

C.验证疾病的病因

D.检出现患病例

E.检出病原携带者

以下彩色血流显像的特点哪一项不对（）

A.血流方向朝向探头，显示红色

B.血流方向背离探头，显示蓝色

C.血流流速越高，显示的亮度越亮

D.血流出现紊流时显示为红蓝相杂的五彩色

E.动脉血流显示为红色，静脉血流为蓝色

放矿系统的操作室附近，要设安全通道，安全通道应高出运输平啊，并避开放矿口，以防跑矿。