将一定质量的金属钾放入236 gt℃的水中,得到t℃的氢氧化钾饱和溶液312 g,则t℃时KOH的溶解度是( )
They use computers to keep the traffic _______ smoothly.
If you leave the club, you will not be_____back in .
What I need is_____ book that contains ______ABC of oil painting.
Jenny nearly missed the flight______ doing too much shopping.
The CDs are on sale! Buy one and you get ______ completely free.