在37℃培养无动力,25℃培养有动力的细菌是( )
A.普通变形杆菌B.奇异变形杆菌C.小肠结肠炎耶尔森菌D.摩根摩根菌E.大肠埃希菌
参考答案:C
The little boy _____on the mat ____ to his parents that blackbirds had _____their eggs on Mars.
A.lay; lying; lied
B.lied; lied; lied
C.laid; laid; laid
D.lying; lied; laid
一般适应综合征(GAS)分哪三个阶段( )
A.警戒期、阻抗期、衰竭期
B.觉醒期、阻抗期、适应期
C.警戒期、阻抗期、适应期
D.觉醒期、阻抗期、衰竭期