【判断题】Do you not say that again!
【单选题】主要农作物品种和主要林木品种实行( )制度,通过审定的主要农作物品种和主要林木良种的审定公告中应当注明( )。
【判断题】进路上有关道岔在规定位置,才能开放信号。 ( )
【单选题】to say that you did not do something, you will use
【简答题】The maxim of Quality: try to make your contribution one that is ____, especially: (i) do not say what you believe to be false and (ii) do not say that for which you lack ____ evidence.
【单选题】听力原文:M: My radio doesn't work. What do you think I should do? W: Why not say that to Mr. Jones? Q: What does the woman mean? (13)
A.
Mr. Jones might fix the radio.
B.
She doesn't want to work for Mr. Jones.
C.
She doesn't like to speak to Mr. Jones.
D.
Mr. Jones may have broken the radio.
【简答题】当进路上各轨道区段空闲、有关道岔锁闭在规定位置、其敌对信号处于 状态时,防护该进路的信号机才能开放。A. 关闭
【判断题】进路上有关道岔在规定位置才能开放信号,这是联锁最基本的条件之二。即进路上有关道岔位置不正确,道岔的尖轨与基本轨不密贴(有4mm及其以上间隙),防护该进路的信号机不得开放。如果进路上有关道岔开通位置不对却能开放信号,则会引起列车、调车车列进入异线或挤坏道岔。信号开放后,其防护的进路上的有关道岔必须被锁闭在规定位置,而不能转换。