I used to love science class—all of them— 86. _______
biology, chemistry, geography, physics.I think I 87. _______
liked those classes because I felt that it helped me88. _______
understand what the world works. For example, when89. _______
I was a child, the rain was a mystery(奥秘).In one 90. _______
class, I learned it rained. I think science classes 91. _______
clear up mysteries. But then there is always more 92. _______
mysteries look into. What was my least favourite class? 93. _______
That was math. After learn the basics of the subject,94. _______
nothing else seemed very practically to me. I never 95. _______
saw how I could use it in my daily life.