秃瓣杜英有哪些园林用途？

A. 木兰科

B. 兰科

C. 杜英科

D. 睡莲科

A.网状脉

B.平行脉

C.叉状脉

D.射出脉

此题为判断题(对，错)。

Your life on campus is approaching to an end and you need to compose a thesis to concludeYour life on campus is approaching to an end and you need to compose a thesis to conclude your four years in college. In the thesis-writing process, you may have some experience in academic research. So do you think it is a grave mistake to theorize before one has data Write an essay of about 400 words. You should supply an appropriate title for your essay. In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.