A：hats
B：hat
把下列词语补充完整。
浑然____ 完美____
— Let me teach you how to cook the fish
— Teach me? ____________! I know how to do it earlier.
8.2×0.94×0.5=____
若全集U={x∈R|x2≤4}，A={x∈R|﹣2≤x≤0}，则∁UA=（ ）
