某校的电话号码是七位数8301730,请你用科学记数表示:______(精确到0.01).
8301730=8.301730×106≈8.30×106.
故答案为8.30×106.
It had been half an hour before she found herself _____ in the wrong direction of
her home.
A.walking
B.to walk
C.walked
D.walk
If an inflatable liferaft inflates upside down,you can right it by().
A.pushing up on one side
B.standing on the CO2 bottle,holding the bottom straps,and throwing your weight backwards
C.getting at least three or four men to push down on the side containing the CO2 cylinder
D.doing nothing; it will right itself after the canopy supports inflate