题目内容

火雷管暴露于光照下,时间长雷管会失效,反映出该炸药哪方面安定性较差。()

A. 物理安定性
B. 化学安定性
C. 生物安定性
D. 历史安定性

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以下哪项可以较为直观衡量炸药猛度。()

A. 压缩圈的大小
B. 抛掷圈的大小
C. 松动圈的大小
D. 震动圈的大小

补全对话:请将每一答案选项前的A、B、C、D、E填入对应的空格中。H: (1)G: Good evening. My name is Fiona. I have booked a table for two for 7: 00.H: Ah, Ms Fiona. That’s right, a table for two.(2)Hereisyour table.G:Oh, no. It's not the right table I ordered. I have told you I would like a table by the window.And you promised me one when I made the reservation. Please, check it out.H: I am sorry. madam.(3)G: Ok.H: I am terribly sorry, madam. It’s our fault. We have double booked the table you wanted.And now, it's occupied.(4)G: Oh,it's ridiculous.(5)A. Would you come this way, please?B. I want to see your manager...C. Would you like to change a table or wait for the table you booked?D. We will check the reservation soon.E. Good evening, madam.

[音频]H: Good evening, madam.G: Good evening. My name is Fiona. I have (1)for two for 7: 00.H: Ah, Ms. Fiona. That’s right, a table for two. Would you come (2), please? Here is your table.G: Oh, no. It's not the right table I ordered. I have told you I would like (3). And you (4)when I made the reservation. Please, check it out.H: I am sorry. madam. We will check the reservation soon.G:Ok.H: I am terribly sorry, madam. It’s our fault. We (5)you wanted. And now, (6). Would you like to change a table or wait for the table you booked?G: Oh. it's ridiculous. I want to (7).

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