When released into the atmosphere, the ref
问题：
When released into the atmosphere, the refrigerant Freon damages the Earth’s ozone layer. A new kind of refrigerant does not have this effect. The manufacturer claims that replacing Freon with the new refrigerant in both new and existing refrigerators will prevent any further Freon damage to the ozone layer apart from that being done by the Freon already in the atmosphere.
Which of the following must be true if the manufacturer’s prediction is to prove accurate
A．Freon can be replaced with the new refrigerant without releasing any Freon into the atmosphere.
B．The damage already done to the ozone layer is not of environmentally significant proportions.
C．The atmosphere can reverse the damage to the ozone layer caused by the past use of Freon.
D．The new refrigerant can counteract the damaging effects of Freon on the Earth’s atmosphere.
E．(E) The new refrigerant causes no environmental damage of any kind when it is released into the atmosphere.
的光、怀疑的光，都可能灼热刺目地破窗涌入，或许令你兴奋莫名、忘记了自己的实际斤两；或许令你顿生烦恼、不能冷静自持。这时，□□你的心灵之窗安装了操纵自如的百叶帘，□□，你就可以灵活调整那叶片的开合程度，使那些光线恰到好处地透射进来——你需要适度的鼓励之光，以
滋润你那在奋进中也许有些疲惫的心灵；你也应该适度地容纳批评挑剔之光，以使自己清醒地认识到自己的不足。
，填入第③段空格处的词语恰当的一项是（ ）（4分）