下列物标表面积相等的情况下,对雷达电波反射最强的是()。A、球形油罐 B、木船 C、

题型:单项选择题

问题:

下列物标表面积相等的情况下,对雷达电波反射最强的是()。

A、球形油罐

B、木船

C、锥形冰山

D、铁壳船

考点:海船船员考试雷达雷达题库
题型:单项选择题
选词填空。
used to,  be terrified of,  go to sleep,  in the end,  make a decision,
to one's surprise,  even though,  no longer,  take pride in,  give up
1. You are _____a child. Be serious.
2.I often _____ at 11:00 because I have lots of homework.
3. Don't _____ your hope.
4. Are you _____ the movie?
5. My parents _____ everything I do.
6. _____ the princess woke up and got married to the prince. .
7. _____ he is a kind teacher, we are all afraid of him.
8. The woman _____ be a history teacher. Now she's retired.
9. It's hard for me to _____.
10. _____, the boy stole some money from his mother.
题型:单项选择题

---We’re organizing a party next Saturday, and I’d like you to come.

---_____! I have a meeting to attend that day. Thank you all the same.

A.Good luck

B.What a pity

C.Never do it again

D.Well done

题型:单项选择题

□54÷6,要使商是三位数,□里最小要填(    );要使商是两位数,□里最大要填(    )。

题型:单项选择题

某男,60岁,上下无,上唇系带在牙槽嵴顶上,为了使义齿更好的固位,首先怎么修复()。

A.系带成形术

B.牙槽嵴重建

C.疤痕组织切除

D.不作处理

E.以上都不对

题型:单项选择题

痫证病因病机

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