In the first picture, he a little boy. [ ]
A. looks
B. like
C. looks like
D. look at
答案:C
有一辆火车运输2000只玻璃瓶,运费按到达时完好瓶子数目计算,每只2角,如有破损,破损一只还有倒赔2角,结果得到393.2元,破损只数是()。
A.17
B.24
C.34
D.36
钩体病的传染源是()
A.牛
B.蚊子
C.鼠和猪
D.患者与带毒者
E.鸡