A:可能是正确的
B:一定是错误的
C:如果用国际单位制,结果可能正确
D:用国际单位,结果错误,如果用其他单位制,结果可能正确
给加横线的字选择正确的读音(只填序号)。
①bēn ②bèn
奔跑____ 奔头____
动脉血是指( )的血液.
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.