如图是某学校实验室从化学试剂商店买回的硫酸试剂标签上的部分内容，据此判断下列说法错误的是
| A．该硫酸具有强烈的腐蚀性，应放于危险化学用品柜中妥善保管． |
| B．取10 mL该硫酸于烧杯中，再加18. 4 mL的水可配得49%的硫酸 |
| C．配制200 mL 4. 6 mol/L的稀硫酸需取该硫酸50 mL‘ |
| D．该硫酸与等质量的水混合所得溶液的物质的量浓度小于9. 2 mol/L |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
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 |