【单选题】某省机械厂生产纺织机械,目标顾客是全国纺织企业。根据产品性质和销售范围,促销方式主要应为
【单选题】某省机械厂生产纺织机械,目标顾客是全国纺织企业。根据产品性质,销售范围及媒介特点,应选择的广告媒介是( )。
【简答题】铁是人体必需的微量元素之一,有多种重要生理功能。体内的铁60%~75%存在于( )。A、含铁酶 B、吞噬细胞 C、红细胞 D、肌肉 E、心肌 食物中铁存在形式主要是( )。A、三价铁 B、二价铁 C、氧化铁 D、氨基酸铁 E、血红素铁 食物中不受植酸影响的铁是( )。A、氧化铁 B、血红素铁 C、非血红素铁 D、三价铁 E、二价铁
【单选题】Very few inventors ____ in business. 很少有发明家能把生意做大.
【简答题】Global Warming 1.Smoke is clouding our view of global warming, protecting the planet from perhaps three-quarters of the greenhouse (温室) effect. That might sound like good news, but experts say that as...
【单选题】根据短文回答 23~30 题。 Global Warming 1 Smoke is clouding our view of global warming, protecting the planet from perhaps three-quarters of the greenhouse (温室) effect. That might sound like good news, but exp...
A.
Atmospheric Scientists
B.
The Calculations Made at the Berlin Workshop
C.
The Previous Calculations of the Effect of Aerosols
D.
The Scientists'Agreement
E.
The Authoritative Conclusion
【单选题】右肾下局限性2.5cmx2.0cm肾癌,左肾无功能,应选择的治疗方法是