麻痹性肠梗阻时的呕吐呈()
A.胃液、十二指肠液和胆汁
B.带粪臭味的粪汁样物
C.血性或棕褐色液体
D.溢出性
E.喷射状
参考答案:D
屈膝纵跳起时,股四头肌( )。
A.只做等张收缩
B.只做等动收缩
C.先做离心收缩(肌肉收缩时被拉长)再做等张收缩
D.先做等张收缩再做离心收缩
Tom, where is the restaurant ______ you often go to? [ ]
A. who
B. that
C. where
D. whose