比较图中的a、b、c、d四个琼脂块中生长素的含量（）

完形填空

Date: 19: 30, March 2.

Number: 16, Row 9, 1st F.

Price: $80

★Children below 1. 2m are not allowed    1    the theatre. Children above   1. 2m should enter    2   tickets only.

★Please check the date and seat number when you buy your ticket. Once the ticket has    3   , there is no refund.

★No   4   in the theatre. Dangerous things are not allowed in the theatre.

★The use of cameras, videos and tape recorders is not allowed in the theatre.  5    a security check is necessary.

★Please   6    your mobile phones or set them    7 the vibration mode.

★Please check your seat number and be seated before the performance   8  . If you arrive   9   the show begins, please wait outside the performance hall, and enter    10   into the hall during the interval.

如图所示，在副食店中，商家常用“提子”（相当于量筒）来量度液体物品的质量．如果用刚好装0.5kg酱油的“提子”来量度白酒（ρ_酱油＞ρ_白酒），则对一“提子”白酒质量的判断正确的是（　　）