我国境内已发现的远古人类,按出现时间的先后排列应是
①元谋人②北京人③山顶洞人 [ ]
A.①③②
B.①②③
C.②①③
D.③①②
答案:B
发动机最大启动EGT是()。
A.680℃
B.720℃
C.725℃
D.930℃
—How do you spend the coming May Day holiday?
— I haven’t decided. I wonder during the holiday.
A.where am I going to spend
B.whether it was going to be sunny
C.who will I invite to have a trip with me
D.if my mother will give me extra homework