问题
单项选择题
某油轮装油后,测得某油舱的上、中、下三层的油温分别是13℃、14℃、14.5℃,则该舱的平均油温为()。
A.14.3℃
B.14.1℃
C.13.9℃
D.13.8℃
答案
参考答案:C
某油轮装油后,测得某油舱的上、中、下三层的油温分别是13℃、14℃、14.5℃,则该舱的平均油温为()。
A.14.3℃
B.14.1℃
C.13.9℃
D.13.8℃
参考答案:C
根据图片和对话内容,选择适当的选项, 将代号填在横线上。 | |
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Lingling: (1)_______ Daming: Can you tell me who is Jim Green? Lingling: The boy. Daming: Who is the girl? Lingling: (2)_______. Her name is Kate Green. Daming: Oh, I know. The man is Jeff Green. The woman is Helen Green. (3)_______. Is it right? Lingling: Yes. Daming: (4)_______ Lingling: Yes, he has. Daming: (5)_______ Lingling: Yes, she has. |