11.阅读理解 To fight for the conservation of forest ecosystem, several ecologists including Daniel Janzen convinced Del Oro, an orange juice producer, to donate part of their forestland to a national park. In return, Del Oro was allowed to throw large amounts of waste in the form of orange...
adjustments can also be made by pressing either the “–“or “+“ buttons 3.Tips for Setting Input Level The best way to do this is to monitor the loudest sound you will be recording and adjust the input gain so the input metering remains green, yellow or orange and not red. If ...