题目

Opening week specials at Munchies Food Hall At the corner of Green and Brown Streets in the city Monday 7th of January until Sunday, 13th of January 2008 Feast until you’re full ! Come down to Munchies this week to enjoy the special dishes on offer at all of our food outlets. Order from the following: ·Succulent chicken rice          ·Spicy satay beef ·Delicious noodle dishes         ·Plump park chops ·Seafood specialties             ·Crunchy vegetables ·Sweet tropical fruit Halal food is available at the stall Malay Food Heaven Win Prizes and Gifts ! ·S2013年6月20日，我国宇航员王亚平在天宫授课时，利用质量测量仪粗略地测出了聂海胜的质量．如图为测量时的情景，基本的操作过程是这样的：先把聂海胜固定在测量仪上，通过测量仪对他施加一个恒力，测量在某段时间内聂海胜的位移，通过计算得聂海胜的质量．若聂海胜受到恒力F从静止开始运动，经过时间t移动的位移为x ， 则聂海胜的质量为（　　）A.B.C.D.