【判断题】倒位可以抑制交换的发生,在倒位杂合体的倒位区段内绝对不会发生重组,所以倒位也叫做交换抑制子。
【单选题】On his way to the airport, it ________ him all of a sudden that he had forgotten her birthday.
【简答题】All of a sudden, he lost his interest in math, and focused his attention a foreign language.
【单选题】All of a sudden, he _____ his attention on learning a foreign language.
【单选题】数控机床操作面板上( )按键为ON时,机床不移动,但位置坐标的显示和机床运动时一样,并且M、S、T代码指令都能执行
【单选题】All of a sudden,he rushed out of the room,________never to come back again. [ ]
【单选题】All of a sudden he lost his interest in engineering and _____ his attention on learning a foreign language.
【单选题】支气管扩张患者的病变部位在右肺下叶后基底段,作体位引流应取哪种体位
【单选题】数控机床操作面板上( )按键为ON时,机床不移动,但位置坐标的显示和机床运动时一样,并且M、S、T代码指令都能执行。