【多选题】以下做法中存在潜在用电危险的行为是( )。
【单选题】Normal battery drain (parasitic drain) in a vehicle with many computer and electronic circuits is ________.
C.
150 to 300 milliamperes
【判断题】统计学是对统计实践活动的经验总结和理论概括。判断对错
【单选题】Normal battery drain (parasitic drain) in a vehicle with many computer and electronic circuits is ( ).
B.
150 to 300 milliamperes
【判断题】牛顿是在其力学研究中得到微积分成果的,所以这些成果明显地带有力学的痕迹。
【单选题】关于阻塞Blocking赋值 和非阻塞 non-blocking 赋值的说法不对的是()。
A.
阻塞赋值在该语句结束时立即将表达式的值赋给目标变量,然后再执行块中的下一条顺序语句
【单选题】— Learning a language isn't easy. It takes time. — I agree. _____. There's no short cut. [ ]
A.
All roads lead to Rome
B.
Rome wasn't built in a day
C.
Practice makes perfect
D.
Slow but sure wins the race