在给水系统中，对有水泵加压的高位水箱，当水泵为手动控制时，水箱容积不得小于日用水量的

Do you remember your home phone number or family birthday?
The researchers（调查者）spent two weeks polling（调查）4,000 people for the magazine named Brain Trainer. Here are the results of the survey.

70% people	Rely on (依赖) their phones to remember important dates
10% people	Can’t remember their home phone numbers
Old people	Can remember more than three birthdays
Yong people	Can’t remember three birthdays

根据以上调查，完成下面短文，每空填一词。
The survey took the researchers about half a 小题1:_________. From the survey, we know lots of people 小题2:_ ________ remember their home phone numbers or 小题3:_________ because they always use their 小题4:_________ to remember them. Most people rely on electronic tools instead of 小题5:_______ important dates themselves. Without electronic tools, can you imagine what your life will be like?