假蝶形花冠
参考答案:
最上方1片最小,位于最内方,最下面两片离生而最大,位于最外方,花瓣呈上升覆瓦状排列,是苏木科的主要特征之一。
根据短文内容和首字母提示,把文中所缺单词填写在短文后的横线上。
The generation gap (代沟) has become a serious problem. It's reported that some children have killed
themselves a 1 arguing with their parents. I think this is because they don' t have a good t 2 with
each other. Parents now spend more time in the office, so they don't have much time to s 3 with their
children. As time passes, they both feel that they don't have the s 4 topic (话题) to talk about. I think
parents should be more with children, get to know them and understand them. And for children, show
your feeling to your parents. They really love you. So t 5 them your thoughts (想法). In this way,
you can have a better understanding of each other.
1. ______ 2._______ 3. _______ 4. ________ 5. _______
女性,45岁,进行性走路不稳3年,右上肢麻木无力、右手肌萎缩2年,双下肢无力1年。检查:水平性眼球震颤,舌肌及右手萎缩,四肢肌力4级,腱反射双上肢低下、双下肢亢进,双下肢病理征阳性。双侧指鼻试验、轮替试验和跟膝胫试验不稳不准。感觉正常。MRI示小脑移入椎管内,达颈1水平,脊髓颈2~胸10内有一长条状长T1、长T2信号。最可能的诊断为()
A.扁桃体下疝
B.颈椎间盘突出
C.脊髓空洞症
D.脊髓肿瘤
E.小脑扁桃体下疝畸形合并脊髓空洞症