economical 选择能代替的选项()

These experiments (had a strong influence) on Bell with the belief that he could send over human voice by some methods. 选择能代替括号里的选项() 文摘能代替原作。() 手套能代替洗手吗（） 戴手套能代替卫生？（） Buying in is more economical than shopping for small quantities. According to the author, youth hostels are economical and tidy.____ This is not an economical way to get more water； ________， it is very expensive. This is not an economical way to get more water; ____, it is very expensive. 当单击参数输入按钮时，你能选择以下的选项除了（）。 戴手套能代替手卫生 戴手套能代替手卫生（） Having newspapers and magazines delivered to your doorstep is not economical.____ The stable political and economical situation isconsidered ____ to the growth of town enterprises. According to the present economical ______, it is important to safeguard the regional growth and stability. 保健食品能代替药品治病。 救援命令能代替闯红灯命令（） About the economical crisis that he decided to look for more information about it. — _____.[ ] The government should take______measures to live through this economical crisis. 能代替止血带的材料是（）。 嚼口香糖能代替刷牙吗？