三角形三边长分别是6，2a﹣2，8，则a的取值范围是（　　）

关于亚马孙热带雨林的开发和保护，正确的做法是(    )

亮亮可能收集了多少张?在相应的张数下面画“○”。

丽丽可能收集了多少张?在相应的张数下面画“△”。

根据短文内容, 判断下列句子正误。

    Here is a TV report of the weather in Britain.

    Most of England and Wales will have a cold dry day. It will be sunny at times. There will be a little rain in the north only. The wind will be weak in the east, but quite strong in the west.

    In most parts of Scotland, the temperature will be above zero in the day. But at night it will fall below zero again, and the roads will again be very dangerous because of ice. There will also be more snow in the night. The snow will be very heavy in some places in the hills.