第十三章测试
1.Some studies have found it seems to lower blood pressure, while others find it causes blood pressure to rise. That had led some people to wonder if ginseng may increase blood pressure at usual doses but lower it when doses are higher. ( )
A:错 B:对
答案:B
2.You can take ginseng if you have high blood pressure.( )
A:错 B:对 3.Early research shows that Asian ginseng may improve performance on such things as ( ).
A:concentration B:memory C:other measures D:mental arithmetic 4.Ginseng is an herbal medication derived from the ( ) of the Panax genus of plants.
A:Leaf B:Fruit C:Stem D:Root 5.Constituents found in most ginseng species include ( ).
A:polysaccharides B:peptides C:ginsenosides D:polyacetylenic alcohols and fatty acids

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