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【多选题】
数据加密是指将明文信息釆取数学方法进行函数转换成密文,只有特定接收方才能将其解密还原成明文的过程,数据加密主要涉及三要素:()。A.
协议
B.
明文
C.
密文
D.
密钥
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【单选题】— Hi, Mary. Any idea where Bill is? — He ______ in the library. I saw him reading books there just now.
A.
shall be
B.
should have been
C.
must be
D.
might have been
【单选题】( 2017年改)甲卷烟厂为增值税一般纳税人,受托加工一批烟丝,委托方提供的烟叶成本49 140元,甲卷烟厂收取含增值税加工费2 436元。已知增值税税率为16%,消费税税率为30%,无同类烟丝销售价格,计算甲卷烟厂该笔业务应代收代缴消费税税额的下列算式中,正确的是( )。
A.
[49 140＋2 436÷（1＋16%）]÷（1－30%）×30%＝21 960（元）
B.
（49 140＋2 436）÷（1－30%）×30%＝22 104（元）
C.
49 140÷（1－30%）×30%＝21 060（元）
D.
[（49 140＋2 436）÷（1＋16%）]÷（1－30%）×30%＝19 055.17（元）
【单选题】—Where is Bill? —He ________ Sydney with his father. [ ]
A.
has gone to
B.
has been to
C.
have gone to
D.
have been to
【单选题】Where is Bill? He _____. [ ]
A.
at home
B.
at school
C.
is reading in bed
D.
read in bed
【简答题】听对话，回答问题。 1. Where is Bill? A. He is at home. B. He has gone to his hometown. C. He has gone to Jianglin. 2. What's Nick's telephone number? A. 55123468 B. 85123465 C. 52123486
【单选题】听力原文：W: Do you know where Bill is? He is supposed to be at the meeting at 3:00. M: Oh, he went out for lunch at noon and will not come back until 3:30, I think. Q: When do you think the meeting will s...
A.
At noon.
B.
3:30.
C.
3:25.
D.
3:00.
【简答题】--- Where is Uncle Bill? --- He is in the children's room. He is telling them ( )interesting story.A. a B. an
【简答题】—Where is Bill? —He __________ at home.(read) .
【单选题】(2017年改)甲卷烟厂为增值税一般纳税人,受托加工一批烟丝,委托方提供的烟叶成本49 140元,甲卷烟厂收取含增值税加工费2 373元。已知增值税税率为13%,消费税税率为30%,无同类烟丝销售价格,计算甲卷烟厂该笔业务应代收代缴消费税税额的下列算式中,正确的是。
A.
[49 140+2 373÷(1+13%)]÷(1-30%)×30%=21 960(元)
B.
(49 140+2 373)÷(1-30%)×30%=22 077(元)
C.
49 140÷(1-30%)×30%=21 060(元)
D.
(49 140+2 373)÷(1+13%)÷(1-30%)×30%=19 537.17(元)
【单选题】--- Where is Uncle Bill? --- He is in the children's room. He is telling them interesting story.
A.
a
B.
an
C.
the
D.
/
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