确诊宫颈癌必须做的检查是( )。
A. * * 镜检查B.宫颈刮片C.宫颈或颈管活组织检查D.官腔镜检查E.诊断性刮宫
参考答案:C
解析:[知识点] 宫颈癌的诊断检查
下列物质的俗名与化学式不一致的是
A.烧碱——NaOH
B.小苏打——NaHCO3
C.干冰——H2O
D.生石灰——CaO
按要求改写下列句子。
1. You must do it now. (改为祈使句)
______ ______ now.
2. They often play with the cute dog. (用yesterday改写)
They ______ the cute dog yesterday.
3. Is Lucy writing in English? (用often改写)
______ Lucy often ______ in English?
4. They are old teachers. Let us help them. (改为单数句子)
He is an old teacher. Let ______ help ______.
5. We play basketball every day. (用she来改写句子)
She ______ basketball every day.