科学的研究方法是取得成功的关键。下列关于人类探索遗传奥秘历程中的科学实验方法及技术的叙述，不正确的是（）

题干

A：孟德尔在研究豌豆杂交实验时，运用了假说—演绎法

B：萨顿根据基因和染色体的行为存在平行关系，类比推理出基因位于染色体上

C：格里菲思利用肺炎双球菌研究遗传物质时，运用了放射性同位素标记法

D：沃森和克里克研究DNA分子结构时，运用了建构物理模型的方法

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C

（Carla and Victor are talking on the way home before the first day of the graduation exams．）

A：Good morning，Carla!

B：Good morning，Victor! We are leaving junior high school after the exams．I feel very sad．

A：Me too．

B： ____.

A：You're welcome．

B：____.They gave us too much．

A：Yes．It's hard for us to say goodbye．Our school life was unforgettable．

B：You're right． ____.

A：I hope to pass the exams to get into senior high school．

B：I trust you because you're the most excellent in our class．But I'm going to an art school．

A： ____. I think you'll be successful．By the way，our head teacher told me that

we will have a graduation party the next day after the exams． ____.

B：Sure．That's great．It's the moment we have a get﹣together．

A．Who has helped you most？

B．What do you hope to do after you graduate，Victor？

C．Thanks for your help during my stay here．

D．My time in junior high school was enjoyable．

E．Would you like to come？

F．I'll miss our teachers and classmates．

G．Your plan is pretty good．