某地区2002—2007年国内生产总值等资料如下:
上述指标的报告期数值和基期数值之比可称为()。
A.动态相对指标
B.发展速度
C.增长速度
D.统计指数
参考答案:A, B, D
Every student as well as teachers who_______ to visit the museum ______ asked to be at the school gate on time.
A.is; is
B.are; are
C.is; are
D.are; is
甲地有S9吨货物运到乙地,大卡车的载重量是7吨,小卡车的载重量是4吨,大卡车运一趟耗油14升,小卡车运一趟货物耗油9升,运完这些货物最少耗油多少升
A.181
B.186
C.194
D.198