茎上发生卷须、吸器等攀援器官借助攀援器官使植物攀附于它物上,这种茎称()。
A.直立茎
B.平卧茎
C.葡萄茎
D.攀援茎
参考答案:D
阅读课本第120页的信,判断正(T)误(F)。
( ) 1. Disgusted thinks that zoos are terrible places for animals to live.
( ) 2. Disgusted and Animal Friend visited the same zoo at the same time.
( ) 3. Animal Friend says that zoos are a good place for the endangered animals.
( ) 4. Animal Friend hopes that all of the readers to visit their wonderful zoo.
( ) 5. Animal Friend and Disgusted have different opinions of the zoo.
男性,30岁。体力劳动时突然出现剧烈头痛,难以忍受,急送医院。体检:神清,颅神经正常,四肢活动正常,颈有抵抗,克氏征阳性,最可能的诊断为()
A.蛛网膜下腔出血
B.偏头痛
C.脑血栓形成
D.神经官能症
E.头痛性癫痫