皮皮学，免费搜题
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搜题
【多选题】
国家加强边防、海防和空防建设，采取一切必要的防卫和措施，保卫（）安全，维护国家领土主权和海洋权益。A.
领空
B.
领陆
C.
领海
D.
内水
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Which of the following statements is true?
A.
The customers gave up the manners, which the English are famous for.
B.
The customers kept their temper while looking for clothes they wanted.
C.
Small children enjoyed crawling through people's legs.
D.
The security guards were fearless of the crowd.