GRE Text Completion: JiJing 1373-GRE填空机经1373题 - AHUS1X2_49VW8CJ2A

At estimated 80 million adults in the United States use form of alternative medicine, from herbs and megavitamins to yoga and acupuncture. But while (i)____________ claims are made for these treatments, the scientific evidence for them often (ii)____________: studies and clinical trials, when they exist at all, can be (iii)____________ in design and too small to yield reliable insights. A. unfounded B. shows no inconsistencies C. shoddy D. modest E. lags far behind F. clever G. sweeping H. holds great promise I. conventional