题型:填空题 乌梢蛇背鳞外表面和横切面的显微特征是A.极面观呈三角形,角端各有一个萌发孔B.呈类球形或长圆形,外壁有细点状条状雕纹C.呈球形、黄色、外壁具细刺状突起D.呈球形或椭圆形,表面有似网状雕纹E.花粉粒少见,呈圆球形,外壁近于光滑 查看答案
题型:填空题 By the following semester, it is likely that the old professor () on the campus of California University for two decades.A. will have to be teachingB. will have been taughtC. will have been teachingD. will be teaching 查看答案