机动车不慎落水,车门无法开启时,可选择的自救方法是是什么
A.敲碎侧窗玻璃
B.关闭车窗
C.打电话求救
D.用工具撬开车门
参考答案:A
Rose has a happy (幸福) family. _____ father and mother _____ young. [ ]
A. She, is
B. Her, are
C. Her, isn't
D. My, am
细菌结构分()、()两类。