Sarah is 12. I'm 11. Sarah is ____________ than me.[ ]
A. taller
B. younger
C. older
答案:C
—Do you often clean your classroom?
—Yes, our classroom _____ every day.[ ]
A. clean
B. cleans
C. is cleaned
D. cleaned
有关 * * 溢液的性质有助于诊断原发病灶的性质,下列各项错误的是
A. * * 鲜红色血性溢液多见于乳管内 * * 状瘤,少数见于乳管内癌B. * * 棕褐色溢液提示血液曾被阻于乳管内未能及时流出C. * * 棕褐色溢液多见于乳管内 * * 状瘤D. * * 棕褐色溢液多见于上皮增生而有 * * 状体形成的 * * 囊性增生病E. * * 黄色或黄绿色溢液是乳癌的表现