We do not feel the gravitational pull of a packet of butter because

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:15:27 免费下载:《单选题》Word试卷

We do not feel the gravitational pull of a packet of butter because
A.it is too small to have a gravitational pull of its own.
B.its pull is so small that we tend to ignore it.
C.its pull disappears in the presence of the earth's gravitation.
D.it tends to melt and loses its gravitational pull.

本题关键词:白兰氏虫草菌丝体鸡精(BRAND′S ESSENCE OF CHICKEN WITH COEDYCEPS),僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）,A-aDO2;