化学与生活密切相关,下列说法不正确的是
| A.SO2可用于杀菌、消毒 | B.SiO2可用于制太阳能电池 |
| C.Fe2O3常用作红色油漆和涂料 | D.硅胶可作袋装食品的干燥剂 |
They use computers to keep the traffic _______ smoothly.
| A.being run | B.run | C.to run | D.running |
If you leave the club, you will not be_____back in .
| A.received | B.admitted | C.turned | D.moved |
What I need is_____ book that contains ______ABC of oil painting.
| A.a; 不填 | B.the; 不填 | C.the; an | D.a ; the |
Jenny nearly missed the flight______ doing too much shopping.
| A.as a result of | B.on top of | C.in front of | D.in need of |
The CDs are on sale! Buy one and you get ______ completely free.
| A.other | B.others | C.one | D.ones ks |