通过国内渠道购买进口汽车的用户在报检时应提供口岸检验检疫机构签发的（）和海关签发的进

语法填空

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.

     Charles Lindbergh is probably one of the bestknown people in the history of flight.He was __1__

hero of the world.Yet, years later, he __2__(accuse)as an enemy of his country.He had what is called

a "storybook" marriage and family life, __3__he suffered a terrible family tragedy.

     Charles Lindbergh, __4__(bear)in the city of Detroit, Michigan, or February 4th,1902, grew up on

a farm in Minnesota.__5__mother was a school teacher.His father was a lawyer __6__later became a

United States Congressman.The family spent ten years in Washington D. C, __7__Mister Lindbergh

served in the Congress.

     Young Charles studied mechanical engineering for __8__time at the University of Wisconsin.But he

did not like __9__(sit)in a classroom.So, after oneandonehalf years, he left the university.He traveled

around the country on a motorcycle.He settled in Lincoln, Nebraska.He took his first flying lessons there

and passed the test to become a __10__(fly). But he had to wait one year before he could fly alone.

职业病危害因素检测、评价由依法设立的取得（）以上人民政府卫生行政部门资质认证的职业卫生技术服务机构进行。

A.省级 

B.市级 

C.县级

上下颌弓的关系是（）

A.上、下颌弓的水平位置关系

B.上、下颌弓的左右位置关系

C.上、下颌弓的水平和垂直位置关系

D.上、下颌弓的前后位置关系

E.以上都是

如何确保基础开挖的施工安全？