两个侧面积相等的圆柱，它们的底面积也一定相等
错误
解：由于圆柱的侧面积 S＝2πrh，当两个圆柱体侧面积相等时，r 和 h 不一定都分别相等，所以它们的底面积也就不一定相等，原题说法是错误的．
2018年12月，张阿姨把4000元的存入银行，定期三年，年利率是2.75%到期后，应得利息______元.
Where going tomorrow you are (?)
are sandwiches The eating girls (.)
want you noodles Do some (?)
went last year there She (. )
16．We are going to __________ school in September.
17．Helen Keller couldn't see. She is __________.
18．On __________, people always have a special meal. They say “Thank you" for the food, family and friends.
19．These are stamps from Canada. They have __________ people on them.
—Does your brother like playing football? ( ) —Yes, _________.
He is riding his bike, ______ it starts to rain. ( )
This boy often helps the blind girl. He is very ______. ( )
__________. The light is red. ( )
