男，28歲，淋雨后當晚高熱，寒戰來診，訴肌肉酸痛及右例胸痛，放射到右肩，呼吸時加重。查體：體溫39℃，BPl2/9KPa，脈博85次/分，右下肺語顛增強，呼吸音增粗，可聞及濕性羅音：實驗室檢查WBCl5×109/L，中性粒細胞0.8，則應考慮為
A、急性支氣管炎B
暫無解析
設三角區域 D 由直銭 x+8y-56=0 ,x-6y+42=0 與 kx-y+8- 6k=0(k <0) 圍成，則對任意的 (x,y) ，有㏒ (x 2+y 2)≤2
(1) k ∈(- ∞,-1]
(2)k ∈ (-1,1/8]
It was three British sportsmen who ________ banned drugs.
在三角形 ABC 中， AB=4 ， AC=6 ，BC=8 ，D 為 BC 中點，則 AD= （）
The wealth of a country should be measured ________ the health and happiness of its people as well as the material goods it can produce.
A beam of light will not bend round corners unless ________ (make) to do so with the help of a reflecting device
