设备工程监理服务的分析共分五个步骤,其中第二步是:列出各调查测评表中,实际测量值最好和最不好的()个问题(要素)。
A.1~3
B.3~5
C.2~4
D.4~6
参考答案:B
Antonio said that he would _____ if he had much money so that more people could get help. [ ]
A. buy a lot of clothes
B. visit many places of interest
C. give it to charity
D. give it to his parents
两物体做平抛运动的初速度之比为2∶1,若它们的水平射程相等,则它们抛出点离地面高度之比为( )
A.1∶2
B.1∶
C.1∶4
D.4∶1