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搜题
【单选题】
I IS 灌电流是前级驱动门导通时, I IS ( )后级门。A.
流出
B.
流入
C.
绕过
D.
（ A ）和（ B ）
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皮皮学刷刷变学霸
举一反三
【单选题】In which stage of the Presentation-Practice-Production approach will students have the chance to use the new language freely and incorporate it into their existing language?
A.
Presentation stage
B.
Practice stage
C.
Production stage
D.
Practice stage and production stage
【单选题】In which stage of the Presentation-Practice-Production approach will students have the chance to use the new language freely and incorporate it into their existing language?
A.
Presentation Stage.
B.
Practice Stage.
C.
Production stage.
D.
All the three stages.
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