舍——____——____ 寺——____——____
皮——____——____ 乎——____——____
请看图回答问题:
《物质构成的奥秘》告诉我们:元素的种类、化学性质分别与下列粒子数密切相关它是( )
-- What present do you want to buy for your father?
-- _____ . They can keep his hands warm in winter.