胡萝卜素在人体内可以转化为维生素A，常吃富含胡萝卜素的玉米有助于预防（ ）
读句子，将问句和答句连线。
①What’s the matter?____ A. Thank you.
②Let me help you. ____ B. Me, too.
③I have yellow hair. ____ C. My name is Mike.
④Do you hurt your hand?____ D. Yes, I do.
⑤What’s your name?____ E. I hurt my foot.
