Test status: please ensure that the mobile phone traffic

Test time: 60 minutes

Prepared by: xiaobian who took the college entrance examination in 2013

Below 60 points: you know, even the passing line did not reach, you should catch up with relevant knowledge.

60-80 points: you have a certain understanding of fertilization, but the knowledge you swallow makes it easy for you to make a wrong judgment at the critical moment. Please learn more, so as to effectively improve your fertilization skills

80-90 points: hey, good, you have a certain grasp of the basic knowledge, but there is room for improvement, and only persistent efforts will have good results.

90-100: wow, brother, you have a good grasp of basic knowledge, now check your judgment with practical action!