磁偏角和子午线收敛角分别是指磁子午线、中央子午线与( )的夹角。
A.坐标纵轴 B.指北线 C.坐标横轴 D.真子午线
参考答案:D
解析:参见磁偏角和子午线收敛角的定义
Chinese proverbs are rich and they are still widely used in Chinese people’ daily life.___ 小题1:_ these proverbs there are often interesting stories. For example, the proverb, “plucking up a crop ___小题2:___ (help) it grow”, is based on the following story.
It is said that a short-tempered man in the Song Dynasty(960-1279) was very anxious to help __小题3:___ rice crop grow up quickly. He was thinking about ___小题4:__ day and night. But the crop was growing much slower than he expected.
One day, he came up with an idea __小题5:___ he would pluck up all of his crop a few inches. He did so the next day.
He was very tired __小题6:__ doing this for a whole day, __小题7:__ he felt very happy since the crop did "grow" __小题8:__ (high).
His son heard about this and went to see the crop. Unfortunately the leaves of the crop began to wither.
This proverb is saying we have to let things go in their __小题9:__ (nature) course. Being too anxious to help an event develop often __小题10:__ (result) in the contrary to our intention.
某女,18岁,农民。3年来反复咳嗽、大量脓痰,1周前有少量咯血,3天前突然高热住院。
如需确诊,首先考虑的检查为()。
A.肺功能
B.纤维支气管镜检查
C.胸部高分辨CT检查
D.胸部B超
E.以上都不是