Let's go shopping. _____? [ ]
A. will you
B. shall we
C. do you
D. do we
答案:B
某年某社区开展为期1年的糖尿病普查,该社区年初人口数9500人,年末人口数10500人。年初有糖尿病病人100人,年末有糖尿病病人130人,普查期间有10名患者死于糖尿病并发症。 该社区普查当年的病死率为()
A.10/10500
B.10/10000
C.10/140
D.10/130
E.10/40
When the foreigners appeared in the school, the pupils smiled at them friendly.
A B C D