题目
A.whisper
B.whistle
C. within
D.while
第1题
A.trumpet
B.whistle
C.bugle
D.flute
第2题
An immersion suit should be equipped with a/an ______.
A.air bottle for breathing
B.whistle and hand held flare
C.whistle,strobe light and reflective tape
D.whistle,hand held flare and sea dye marker
为了保护您的账号安全,请在“赏学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!