the traffic environment includes soft environment and hard environment.( )
the tunnel entrance is more prone to traffic accidents.（ ）
转基因植物的筛选常用哪些方法？
在下图所示的电路中，r=20ω，ωl=5ω，1/(ωc)=45ω，
笼式、绕线式异步电动机区别在于()。
the methods of traffic accident prediction can be ided into qualitative prediction and quantitative prediction.( )
yl-335b自动线上能进行冲压动作的是（ ）。
三相异步电动机的旋转方向与通入三相绕组的三相电流()有关。
the specified number of highway lanes is ( ) and ( ) respectively.
what are the types and meanings of traffic lights？
三相异步电动机的定子端电压降低到额定值的90%时。其起动转矩将()。
the methods of field investigation are ( ).
在yl-335b自动线上，外部供电电源提供的是（ ）。
the prediction of social and economic development mainly includes population, economy, industrial structure, transportation structure, etc.( )
“权力倾向于，绝对的权力倾向于绝对的”，这就要求被领导者和领导者建立起()。
_____ can make ideas become specific, personal and lively.
gpio引脚分成多少组：()
why should we keep the speaking outline as brief as possible?
对于财务制度较健全、有一定经营规模、发票管理严格的纳税人可采用的发票领购方式是( )。
the champion in “fltrp cup” english public speaking contest will represent china to participate in the annual international public speaking competition.
if you are talking to a nonmedical audience, it is much more appropriate for you to say the word .
what channel did winston churchill employ when making speech during the second world war?
负反馈对放大电路性能的影响，下列叙述中正确的是()。
the process of constructing an english speech is exactly a process of_______.
in public speaking, _______refers to appeals to listeners’ logic, reason, and rationality by using logical arguments and supporting evidence.
what kind of roll does a speaker play in the speech process?
chronological order is also used to _____.
the commemorative speech is usually very brief.
from the examples shown in chapter 13, an acronym is a word formed by combining the last letters of a few related words.