物证不能自己去完成证明任务,必须通过一定人的行为或活动,其中最重要的形式就是()和()。
参考答案:物证技术人员的检验;鉴定
若一个多边形的内角和为1080°,则这个多边形的边数为 .
请根据句意从方框中选择合适的单词,并用其适当形式填空,使句子通顺。
小题1:Tom is a dishonest boy. He seldom tells the _______.
小题2:It will make you feel ________ if you sit too long in front of the computer.
小题3:Simon has ___ orange juice than Millie.
小题4:His parents have lived in the village since they got _____ ten years ago.
小题5:Now Chinese is used as __________ as English in the world.