Passage One-|||-Questions 46 to 50 are based on the following passage.-|||-Most of us trust our doctors even when they hand us a prescription for a drug we can't pronounce. But natural,-|||-holistic(全面的)products are fully in vogue nowadays,and the Internet has created a way for non-experts to become-|||-.-ormole-informeda stheir general practition when it comes to obscure treatment methods."People are now-|||-more willing to take their health and wellness into their own hands,"says Danielle Hardee,a wellness advocate for-|||-doTERRA International.-|||-Oddly enough,until fairly recently,Hardee was not one of those people.Her first experience with essential oils-|||-came in treating her pet bulldog.After seeking suggestions for the sickly pet on Facebook,a fellow fosterer told-|||-Hardee about certain oils she could try applying to the animal's skin.Pairing her curiosity with healthy skepticism,-|||-Hardee dove deep into researching the safety of the oils."I was very happy with everything I found,"she says ."I-|||-started not just using them on the foster dog,but also our son,who needed the benefits of the respiratory support."-|||-While the dog's recovery was soon apparent,the benefits for her son were almost immediate.-|||-The oils in question are considered essential"not due to any proven vitality,but because they contain the essence-|||-of the plants from which they are extracted.Peppermint,lavender and citruses are among the most common on the-|||-market today,but numerous essential oils have been in use for several centuries.-|||-After seeing how beneficial the concentrat liquids were to both the two-legged and four-legged members of her-|||-family,Hardee soon found herself teaching essential oil classes."It became something I felt so strongly about,I had to-|||-share it,"she says.The classes quickly grew in size and geographical span and Hardee soon became an advocate for-|||-doTERRAInternational,a natural nutrition and wellness company.-|||-As growing popularity pushes essential oils into the broader market,Hardee recommends curious customers-|||-proceed with caution concerning quality and purity.Hardee believes the effects of quality oils will be the evidence that-|||-helps them prevail."I'm not a holistic health guru (专家),"she emphasizes."I'm just seeing it with my own eyes."-|||-46.What is people's attitude to their health and wellness nowadays?-|||-A)They are ready to put their health into the doctors' hands.-|||-B)They are convinced that the natural methods are of no use to them.-|||-C)They are willing to use natural methods to deal with their wellness.-|||-D)They are reluctant to visit doctors and get some prescriptions.-|||-47.What did Hardee do with the suggestions about oils on Facebook?-|||-A)She made detailed studies to make sure the oils were safe.-|||-B)She tried the oils on herself to see whether they were effective.-|||-C)She asked the professional doctors for advice.-|||-D)She totally accepted the oils without any doubt.-|||-48.Why are those oils considered essential"?-|||-A)Because they are used to save people's lives.-|||-B)Because they are taken from the essence of plants.-|||-C)Because they are essential to patients'recovery.-|||-D)Because they are proven to be useful and energetic.-|||-49.According to the passage,what is the probable effect of the oils on humans?-|||-A)They function as a psychological comfort to humans.-|||-B)They provide sweet flavor for humans.-|||-C)They stimulate humans'spirits and make them energetic.-|||-D)They exert beneficial healing effect on humans.-|||-50.What is Hardee's suggestion for curious customers?-|||-A)They should question the effects of the oils on any occasion.-|||-B)They may choose any one they like since the oils are popular.-|||-C)They should choose those oils which are good and pure.-|||-D)They should trust the oils because they have been used for centuries.