一负电荷从电场中A点由静止释放，只受电场力作用，沿电场线运动到B点，它运动的v﹣t图象如图所示，则A，B两点所在区域的电场线分布情况可能是（   ）

根据首字母提示完成单词

① ─Have you e____ travelled abroad?

─No, never.

② I miss my friend very much because he m____ to America one year ago.

③ China is an a____ country with more than 5, 000 years.  

④The king and the q____ are watching the football match at the stadium.

⑤My d____ job is to be a pilot in the future.

下列能与120°E经线组成经线圈的是（    ）

人口____，新增人口____，人口素质____，是我国人口现状的基本特点。