Think and write. 写出下列单词的形容词性物主代词。
I they he we she
1. my 2. their 3. his 4. our 5. her
帕金森病的症状和体征中,“发病最早期的表现,表现为手指像在搓丸子或数钞票一样的运动。频率是每秒钟4~7次”属于()
A.震颤
B.肌肉僵直
C.特殊姿势
D.自主神经症状
E.运动迟缓或减少
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
点A(3,4),B(2,-1)到直线y=kx的距离之比为1:2.