话机本身的天线一般为螺旋鞭状天线或短鞭状天线。（）
参考答案：对
进入青春期后，会出现一些生理现象，如男孩会出现______，女孩会来______．
Always keep a first-aid kit in your home-just _____ there is an accident. [ ]
A. in case
B. so that
C. as though
D. even if
