搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在船舶海洋水文气象观测过程中，要求气象项目的观测时间应在（）。

A．正点前30分钟开始

B．接近正点开始

C．正点前15分钟开始

D．正点前20分钟开始

答案

参考答案：C

排序题

把下列各句重新排列，使之成为一段通顺的对话(~75)

A. Mm. I have no idea...OK, some flowers! Give her some flowers with best wishes. I think they're

    the best gifts for her!

B. The day after tomorrow is my mother' s birthday. What should I get her?

C. Yeah! Good idea! I will help her finish housework and then give her the beautiful flowers!

D. Does she like little animals? Why don't you get her a pet cat?

E. No way. It' s too expensive and I haven't enough money to buy it.

F. Great! I think your mother will happy to receive your gift.

G. No, she doesn't like them at all.

H. Yes, I'd love to.

I. What about a camera? I think it' s a nice gift for your mother.

J. Thank you! Will you go and buy the flowers with me?

___________________________________________
查看答案
多项选择题

空心玻璃砖的外观质量主要的（）指标。

A.气泡

B.耐火材料杂质

C.砂粒、透明结节

D.划痕、裂缝、缺口、剪刀痕迹
查看答案