保护生物的多样性就是在下列哪三个层次上采取保护战略和保护措施()
A.基因、染色体、细胞
B.细胞、物种、生物圈
C.基因、物种、生态系统
D.物种、种群、生态系统
参考答案:C
In ______ new comedy series Hot Mom, which just finished airing two weeks ago, Sun Li became, as the title indicates, ______ hot mother.
A./; a
B.the; a
C.the; the
D.a; a
甲亢会对妊娠产生什么影响?