被誉为“海上丝绸之路”见证﹣宋代沉船“南海一号”，被成功打捞出海．“南海一号”沉没于水下20m深，受到海水的压强为　____ 　Pa，亚洲第一吊“华天龙”缓慢吊起沉船，沉船出水前，受到的浮力____ （填“变大”、“变小”或“不变”），这艘宋代古船排水量（船满载时的总质量）为600吨，则古船在满载时受到的浮力为　____ 　N．（g=10N/kg，海水的密度为1.03×10³kg/m³）

Dear Grace,   

    Here is a photo of my ____. We are all at home now. And we are all ____. What are my grandparents doing? Oh, my grandfather is ____ chess. My grandmother is reading a newspaper. And my father is watching CCTV news. It is his favorite ____. My mother is cooking in the kitchen. What am I doing? I'm using the computer, ____ I'm not playing computer games. Haha, I am writing an e-mail to you.

Molly

邓____爷爷（dèn dèng）      年龄____（líng níng）

茁____壮（zuó zhuó）        挑选____（xiǎn xuǎn）

扶____正（fū fú）           填____土（tán tián）