—Is your uncle in his______?

—Yes. His forty-first birthday is coming next month.

水稻的非糯性对糯性为显性，将纯非糯性品种与糯性品种杂交得F₁，取F₁的花粉用碘液染色；凡非糯性花粉呈蓝色，糯性花粉呈棕红色，在显微镜下观察这两种花粉的微粒，非糯性与糯性的比例为

人的灰指甲是哪种微生物寄生引起的（   ）

Chinese Premier Wen Jiabao, in_________ interview with Hong Kong reporters on April 13, said that Chinese economy in ________ first quarter showed signs of better than expected positive changes.

若函数y=（m+1）$x^{m^2+3m+1}$是反比例函数，求m的值