关于经纬线的说法正确的是() A.沿任何一条经线北行,均能回到原地 B.通过地球表面

题型:单项选择题

问题:

关于经纬线的说法正确的是()

A.沿任何一条经线北行,均能回到原地

B.通过地球表面任何一点都只有一条经线

C.全球所有的经线都不等长

D.除赤道和极点以外,相同纬度的纬线都有两条

考点:高中地理地球仪、经纬网及其地理意义地球仪、经纬网及其地理意义题库
题型:单项选择题
根据所提供的语景,从方框中选择正确短语的适当形式完成句子。(其中有三个多余词)
leave sb alone,    be aware of,   cut off,    sort out,    at no time,   turn around,    aim at,   
be scared to death,    ahead of,    cut down,    at a time,    in the meantime,    meet with
1. They had their electricity ________________________ because they didn't pay the bill on time.
2. ________________________ will China be a superpower.
3. It's not good to give the child whatever he wants. _______________________ when he is crying.
4. Hearing her name called, the little girl _____________________ and was surprised to see her aunt standing
    at the gate waving to her.
5. My homework has been completed ______________________ time.
6. The visit is ____________________ improving the relations between the two countries.
7. Seeing a stranger break into her house, she _______________________ of what might happen next.
8. We should at all times _______________________ our own shortcomings.
9. I think you are the most humorous man that I ______________________.
10. My first novel was rejected by six publishers. _______________________ I had written a play.
题型:单项选择题

下图表示某淡黄色固态单质A及其化合物之间的转化关系(某些产物和反应条件已略去)。B和C的相对分子质量相差16,化合物D是重要的工业原料。

(1)单质A的名称          

(2)写出E与A的氢化物反应生成A的化学方程式___________________________。

(3)写出一个由D生成B的化学方程式____________________________________。

题型:单项选择题

下面关于FLASH导入Fireworks的PNG文件的说法错误的是()

A、用户可以选择作为可编辑对象或不可编辑的图像进行导入

B、当作为不可编辑的图像导入时,文件将转换成位图图像对象,但是导入矢量图形除外

C、作为可编辑对象导入,用户可以选择保留位于PNG文件中的图像、文本和辅助线

D、作为不可编辑的图像导入PNG文件,则用户可以在Flash中启动Fireworks编辑该PNG图像

题型:单项选择题

组胺在炎症灶内最主要的作用是

A.白细胞趋化

B.使血管扩张和通透性增高

C.引起疼痛

D.导致发热

E.造成组织损伤

题型:单项选择题

惠州社保能否转移至江苏?怎么转?

更多题库