题目

光是以直线的形式传播的。 答案：正确词语运用（共5小题， 每小题1分， 计5分）根据句意，用所给单词或短语的适当形式填空。（每词或短语只限使用一次）safe strange pronounce warm ask for help1.Do you know the right ___________ of these English names?2.My mother always asked me not to talk to ______________3.During the day, the sun provides________________ in the house.4.When you ______________, you should be polite.5.I’m worried about the _____________ of the children.