2020年军队职称英语-卫生类C级词汇指导常见词语强化（2）

 　　16、Granite crystals are large enough to be seen with the (naked) eye.(C)

　　A.wary

　　B.candid

　　C.unaided

　　D.discerning

　　17、Having (enlisted) in the Marine Corps in August 1918, Opha May Jonnson was made a provisional sergeant a month later.(B)

　　A.considered

　　B.joined

　　C.written to

　　D.Risen in

　　18、The (widespread)use of Xrays for diagnostic purposes poses the risk of overexposure to radiation.(D)

　　A.medical

　　B.spacious

　　C.experimental

　　D.General

　　19、The geysers, one of the most unusual phenomena in nature, is beautiful to (behold).(A)

　　A.view

　　B Relate

　　C.Sketch

　　D.Withhold

　　20、The lymphatic system includes a network of tiny capillaries that lie (adjacent )to the fine blood vessels.(C)

　　A.independent of

　　B.obscured by

　　C.near

　　D.within