讀地球公轉(zhuǎn)示意圖,回答下列問(wèn)題.
(1)請(qǐng)?jiān)趫D中地球公轉(zhuǎn)軌道上用箭頭標(biāo)出地球的公轉(zhuǎn)方向.
(2)當(dāng)?shù)厍蚬D(zhuǎn)到A點(diǎn)時(shí),日期是每年的______前后.
(3)當(dāng)?shù)厍蚬D(zhuǎn)到C點(diǎn)時(shí),我們資陽(yáng)市的晝夜長(zhǎng)短情況是______.
(4)當(dāng)?shù)厍蚬D(zhuǎn)到D點(diǎn)時(shí),太陽(yáng)直射點(diǎn)的緯度是______.