问题 单项选择题

能更好地增强心肌声学造影效果的技术是()。

A.彩色室壁运动显像技术

B.二次谐波技术

C.声学定量测定技术

D.TDI技术

E.AD技术

答案

参考答案:B

解析:二次谐波技术使心内膜显示更清晰。

填空题

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号

中词语的正确形式填空,并将答案填写在标号为1-10的相应位置上。

     The year 2009 is the Year of the Ox, which is a representative of the farming culture of China. In the

farming economy, oxen are the major animals 1______ (pull) plows (犁).

     Of course, the good of oxen is not limited to plowing. In fact, they are seen as "boats on land" for their

ability to carry loads. Besides, the whole body of an ox is full of treasures, with their meat and milk as food

full of nutrition, 2______ their skin used to make clothes and shoes.

     In the past, oxen played an important role in the 3______ (spirit) life of the Chinese. Even today, oxen

still play a special part in some folk activities. For example, some people who 1ive in southwest China will

cook cattle bone soup and share 4______ among family members when holding a ceremony for children

5______ reach 13. They believe that the cattle bone soup represents the blood relationship among family

members. 6______ (express) their love for oxen, people in some 7______ areas will run to shake off diseases

on the 16th day of the first month by the lunar calendar, and during their run they will take their oxen along,

which 8______ (indicate) they regard the creature as human.

     Because of the contribution of oxen in their lives, the Chinese people are very grateful to 9______ animal.

In addition, the use of oxen in ceremonies and the thanks people owe 10______ oxen help to develop various

traditional customs, which becomes an important part of the folk culture of the Chinese nation.

填空题