若x=﹣1是关于x的一元二次方程x²+3x+m+1=0的一个解，则m的值为（　　）

给下列问答句配对

① What do you need?____                   a. I like the red dress.

② Drink some water, Mum. ____          b. Thank you.

③ What do you like? ____                     c. I need a red dress.

④ Smell the orange.  ____                     d. It's windy.

⑤ How is the weather?  ____                 e. It's nice.

在基因工程的操作步骤中，未发生碱基互补配对的是    （   ）

— How are you?  — I'm eight.

____应改为____