更多"信封 ( )"的相关试题:
[单项选择]信封中装有10张奖券，只有一张有奖。从信封中同时抽取2张，中奖概率为P；从信封中每次抽取1张奖券后放回，如此重复抽取n次，中奖率为Q，则P＜Q。（）
（1）n=2
（2）n=3
A. 条件（1）充分，但条件（2）不充分
B. 条件（2）充分，但条件（1）不充分
C. 条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分
D. 条件（1）充分，条件（2）也充分
E. 条件（1）和（2）单独都不充分，条件（1）和条件（2）联合起来也不充分
[判断题]在邮寄问卷方式下，调查工作成功的第一步是要让受访者愿意打开信封，并且信封看起来像广告信函，吸引受访者的注意。( )
[单项选择]数字信封______。
A. 使用非对称密钥体制密码算法加密邮件正文
B. 使用RSA算法对邮件正文生成摘要
C. 使用收件人的公钥加密会话密钥
D. 使用发件人的私钥加密会话密钥
[单项选择]( )不是企业常用的信封形式。
A. 开窗式
B. 袋式
C. 银行式
D. 打字式
[单项选择]I was addressing and stamping envelops (信封) when I found there were no stamps left. "I have some in here," my daughter said as she reached for her Bible (圣经).
"It just shows that if you need help, turn to the Bible." I said.
"I also keep my household money (家用钱) in here," she replied. "It’s a good place to hide things. The ones who do open the Bible wouldn’t steal from it, and the ones who would steal never open it./
The mother had enough stamps.
A. Right.
B. Wrong.
C. Doesn’t say.
[简答题]除了你要的纸和信封外，他还给你带来了一枝笔。
[填空题]A minute ago the old lady ______ (撕开信封)with great excitement.
