在下列NaCl的物质的量浓度中,DNA溶解度最低的是[ ]
A.2mol/L
B.0.1mol/L
C.0.14mol/L
D.0.015mol/L
答案:C
My parents like places the weather is always warm. [ ]
A. that
B. where
C. which
D. who
基孔制中的基准孔用代号()表示
A、H
B、I
C、M
D、N