— Where _____? — I got stuck in the heavy traffic. I _____ here earlier. A. did you go； had arrived B. have you been； would have been C. were you； would come
With so many children ____round the table, the food disappeared_______． A．seating, at no time B．seated, in no time C．seated, at no time D．seating, in no t
It was a pity that the great writer died his works unfinished. A. for B. with C. from D. of
为了调查喜爱运动是否和性别有关，我们随机抽取了50名对象进行了问卷调查得到了如下的列联表:若在全部50人中随机抽取2人,抽到喜爱运动和不喜爱运
“螳螂捕蝉，黄雀在后”，下列可以体现这一现象的正确食物链是 A．螳螂→蝉→黄雀 B．树→螳螂→蝉→黄雀 C．蝉→螳螂→黄雀
人体内备用的能源物质是（ ）A、蛋白质 B、无机盐 C、脂肪 D、糖类
王勇不小心手指被利刃划破，疼痛难忍，但他仍然紧咬牙关不吭声。此过程中神经冲动的传导路径是 ( ) ①脑 ②脊髓 ③手部感受器
中，
则
=（ ）
B、2
D、
