问题
单项选择题 A1型题
龙胆药材根横切面最外层的保护组织是（）
A.表皮
B.后生皮层
C.下皮层
D.皮层
E.木栓层
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
龙胆药材根横切面最外层的保护组织是（）
A.表皮
B.后生皮层
C.下皮层
D.皮层
E.木栓层
参考答案：A
| 完成对话。 从方框中选择正确选项，并将其字母序号写在对话后面的空格内 （方框中有一个选项与对话内容无关）。 | |
Adam: Do you like your work, Aunt Emma? Emma: 1______. It' s interesting. Adam: But you' re so busy. Do you feel tired? Emma: Sometimes. I can play with my dog in the park. 2______ Adam: What kind of people don ' t you like? Emma: 3______. I don't like to be with them. Adam: Me neither. What's your favorite English word? Emma: "Sorry". The English say "sorry" all the time. Adam: Is there someone important to you? Emma: Family and friends. 4______ Adam: Grandma is really great. Is there something special you do every day? Emma: That's hard to say. 5______ Oh, I know. I try to help someone every day. |