诊断急性阑尾炎最有意义的体征是:()
A.体温升高
B.右下腹固定而明显压痛
C.腹部气胀
D.肠鸣音减弱或不规律
E.阑尾穴压痛试验阳性
参考答案:B
What difficulty I had _____ the dirty walls! I had no choice but to have it ____ again.
A.clean, paint
B.cleaning, painting
C.cleaned, to paint
D.cleaning, painted
网球术语open stance是指()
A、半关闭式站位
B、半开放式站位
C、关闭式站位
D、开放式站位