以下哪一项不能在细能力汇总报告中查询()
A.总能力
B.总负荷
C.差异率
D.计量单位
参考答案:D
_____ he used to play a lot of computer games, but now he seems to have lost interest in them. [ ]
A. At a time
B. At one time
C. At all times
D. At the same time
残疾人的机动轮椅车、电动自行车在非机动车道内行驶时,最高时速不得超过()km。
A.3
B.4
C.5
D.6