碳溶解在（）的间隙固溶体是铁素体。 ["s—Fe","α—Fe","f—Fe","β—Fe"]
有关溃疡创面周围的皮肤不正确的是：（） ["可用温水清洗","可用中性肥皂清洗","清洗后用棉球拭干","轻轻挤压伤口","避免损伤创面周围皮肤"]
按照污染物的不同，可将水污染分为哪几大类？
（）是输送渠道水流跨越河流、渠道、道路、山谷等架空式输水建筑物。 ["渡槽","涵洞","倒虹吸","跌水"]
Which three benefits are provided by the implementation of cisco c-series servers into A virtualized data center environment?（） ["blade-based deployments","enterprise-focused design","infiniband networking","cost-effiective server","storage-intensive platform","extended memory sipport"]
电子商务
