下列词语中画线字的注音，全都正确的一项是（ ）

How can I improve my reading—I think the most important is to ______ a goodhabit of reading.

Jane is junior ______ me ______ two years

Throughout my entire life, I’ve had my brother trying to beat me at everything I do. It has been a(n) ______ positive force.

下列句中加点的字解释不正确的一项是