Often such arguments have the effect of （）rather than clarifying the issues involved.

He blew out the candle and （）his way to the door.A．conv...

单项选择题He blew out the candle and （）his way to the door.

Hill slopes are cleared of forests to make way for crop...

单项选择题Hill slopes are cleared of forests to make way for crops, but this only （）the crisis.

The glass vessels should be handled most carefully sinc...

单项选择题The glass vessels should be handled most carefully since they are （）