99mTc-硫胶体颗粒的直径是()。
A.<100nm
B.100~300nm
C.300~1000nm
D.1000~2000nm
E.>2000nm
参考答案:C
根据句意完成单词。
1. My mother's brother is my ______.
2. Helen _______ my aunt. My aunt is Lucy.
3. Nina's father and mother are her ______.
4. These are pens and ______ are pencils.
5. ______ me, is this your sister?
()被刘克庄称为是宋诗的“开山祖师”。