石墨烯目前是世界上最薄、最坚硬的纳米材料，其理论厚度仅0.00000000034米，这个数用科学记数法表示为____．

从右栏中找出与左栏句子相应的答语。

①Who did he go with?____      A. It was great.

②How was your weekend? ____  B. Sounds good.

③I went fishing last weekend. ____   C. Yes. There are some tomatoes.

④Are there any vegetables? ____  D. Yes, please.

⑤Would you like a large bowl? ____  E. He went with his friend.

注意：1）词数90 左右。 留言条已给出的部分（见答题卡）不计入总词数。

      2）不要逐字翻译。 可适当增加细节， 使行文连贯。

      3）文中不得出现真实姓名和校名。

一株高茎豌豆（DD）和一株矮茎豌豆（dd）杂交后，后代都表现为高茎，若后代进行自花传粉，则受精卵的基因组成可能有（　　）