关于反应3A (g)+ B (g) 2 C (g) 发生过程中的能量变化如图,下列说法中不正确的是
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.