词语填空

用所给单词的适当形式填空.

     When the world __1__ the 21st century. the development in __2__ and technology will bring us many more new hopes and chances we've never __3__ before. People are hoping to have a peaceful and highly __4__ world. To catch up with the new development and to be __5__ in the new century. the younger

generation is __6__ to possess different kinds of knowledge and skills. such as the computer science and

the English language. __7__ one will be left behind. Young people should study even __8__ at school and __9__ themselves mentally and physically to __10__ the challenge of the new century.

梗阻性黄疸病人下列哪项检查对诊断价值不大（）

A.低张十二指肠钡餐检查

B.B型超声

C.经皮经肝穿刺胆道造影

D.经内镜逆行胰胆管造影

E.静脉法胆道造影