随着网络科技的发展，电子商务的强力推动，属于现代第三产业的物流业迅速发展起来。物流业的发展是因为（ ）
①它有利于推动我国产业结构优化 ②它有利于提高我国居民恩格尔系数
③电子商务服务和物流业有互补关系 ④电子商务服务和物流业有替代关系
| A．②③ | B．①③ | C．②④ | D．①④ |
相关试题
一Would you like some fried rice?
—I would rather eat noodles ________have beef in them.
| A．that | B．than | C．what | D．as |
一I am out of breath. I can’t go any further.
一_______! I am sure you can make it.
| A．No problem | B．What a pity | C．Not bad | D．Come on |
一Shall we meet at the station at 8 am?
—In fact, we _______. The train _______ until l0 a.m.
| A．mustn’t; doesn’t leave | B．mustn’t; leaves |
| C．needn’t; won’t leave | D．needn’t; will leave |
The cakes in the restaurant _______，so they _______ well.
| A．are tasted better; are sold | B．are t asted well; sell |
| C．taste terrible; are sold | D．taste nice; sell |
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