打开翻盖手机是旋转运动;
故选:B
---Why are you in such a hurry, John?
--- There _____ a basketball match between Class2 and our class in 10 minutes.
A.is going to have
B.will hold
C.will have
D.is going to be
十一届三中全会后,我国改革开放的根本目的是[ ]
A.发展社会主义经济
B.利用外资和技术
C.活跃我国的对外贸易
D.扩大中国的影响