问题
单项选择题
下列有关舱口围板作用描述错误的是:()
A.保证人员安全
B.防止海水入浸
C.增加舱口区域的结构强度
D.便于装卸货
答案
参考答案:D
下列有关舱口围板作用描述错误的是:()
A.保证人员安全
B.防止海水入浸
C.增加舱口区域的结构强度
D.便于装卸货
参考答案:D
请根据句意从方框中选择合适的动词,并用其适当时态填空,使句子通顺。 | |
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1. Don't talk loudly, my father with my uncle __ _____ about something. 2. The food ____ ____better than it looked. 3. I hope I ____ ____ a singer when I grow up. 4. Our school year usually ____ ____ at the end of June. 5. Jack____ ___ often nervous before the class in the past. |