(1+10%)×(1-10%),
=1.1×0.9,
=99%.
99%<1.
答:其结果小于甲数.
故选:B.
The boss promised to give reward to ________can work the problem out.
A.anyone
B.everyone
C.whoever
D.whomever
用杂合子(DdEe)种子获得纯合子(ddee),最简捷的方法是()
A.种植→F1→选双隐性者→纯合体
B.种植→秋水仙素处理→纯合体
C.种植→花药离体培养→单倍体幼苗→秋水仙素处理→纯合体
D.种植→秋水仙素处理→花药离体培养→纯合体