丽丽7:25起床,15分钟洗漱,20分钟吃早饭,20分钟步行去学校,她到学校的时间是[ ]
A.8:20
B.7:55
C.8:30
答案:A
288. His beard was freshly and it seemed that he would go to an important appointment.
A.shave
B.sharing
C.shaving
D.Shaven
温度传感器按传感器于被测介质的接触方式可分为2大类:一类是接触式温度传感器,一类是非接触式温度传感器。()