下面语段中划线字的拼音正确的一项是（    ）

    心里充满着对权利和金钱强烈占有欲的贪官污吏们，只能聚集在阴晦之地，妄图利用手中的权利而凌驾于法律之上，但是他们错了，正义的天平让他们心惊胆战、咬牙切齿，从小就有“鸿鹄之志”的他让黎民百姓感恩戴德、焚香供奉。

读一读，补全对话。

A. Have a cupof tea, Mum.   B. What can I do for Mum?

C. I love you,Mum!       D. Here's a card for you, Mum.

E. Here aresome flowers for you, Mum.

Bob: It's Mother'sDay. ____Ah! I have a goodidea. ____

 Mum: Thank you. I like these flowers.

 Bob: Happy Mother's Day!____

Mum: Thank you. It's a nice card.

 Bob: ____.

Mum: Thank you, my dear.

 Bob: ____

Mum: I love you too.

豌豆种子的黄色对绿色为显性，圆粒对皱粒为显性．现有黄色圆粒和绿色皱粒两个纯种品系，用它们作亲本进行杂交，再使F₁自交，得F₂，为获得稳定遗传的绿色圆粒豌豆，对F₂还应（　　）