B型超声对下列哪种结石的诊断准确率最高()
A.胆囊结石
B.肝内胆管结石
C.肝外胆管结石
D.胆总管结石
E.肝管结石
参考答案:A
根据短文内容及首字母提示完成单词,补全短文。
My name is Tim. Here is a p __1__ of my family. I have got a big family. My g __2__ are old
(年长的). My grandfather is 65 years old and my grandmother is 64 years old. I have got an a __3__.
She is my father's sister. I have got an uncle and he is my mother's b __4__. My parents have got two
children-a girl and a boy-my s __5__ and me.
(30分)阅读图文材料,回答下列各题。
图1中甲地与图2中乙地都是油气资丰富的地区,近年与中国开展了广泛的油气资与开发合作,两地均成为中国石油的重要进口地区。
图1 图2
(1)分别指出中国进口甲乙两地油气资所采用的运输方式,并说明理由。(14分)
(2)比较甲地中①河与乙地中②河水文特征的差异。(8分)
(3)指出甲地区主要农业类型及相应的加工工业部门。(8分)