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【单选题】
根据税收征收管理法律制度的规定,下列关于发票开具和保管表述中不正确的是( )。
A.
不得为他人开具与实际经营业务不符的发票
B.
已经开具的发票存根联和发票登记簿应当保存3年
C.
取得发票时,不得要求变更品名和金额
D.
开具发票的单位和个人应当建立发票使用登记制度,设置发票登记簿
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【单选题】已知图示二梁的抗弯截面刚度EI相同,若二者自由端的挠度相等,则F1/F2=( )
A.
8
B.
2
C.
16
D.
4
【单选题】已知图示二梁的抗弯截面刚度EI相同,若二者自由端的挠度相度,则P1/P2等于:()
A.
2
B.
4
C.
8
D.
16
【单选题】SO 2 和Cl 2 都有漂白作用,用SO 2 和Cl 2 的混合气体漂白有色的湿布条,则其漂白的能力……( )
A.
与SO 2 相同
B.
与Cl 2 相通
C.
减弱或消失
D.
增强
【单选题】Daming often runs _____ the morning,  but _____ Sunday morning he doesn't. [     ]
A.
in;  in
B.
in;  on
C.
on;  in
D.
on;  on
【简答题】阅读对话,判断句子正(T)误(F)。 T: Good morning, class. Ss: Good morning, teacher. T: Is everyone here? S1: Mike isn't here. He is ill. T: I'm sorry to hear that. What's wrong with Mike? S1: His arms hurt. The doc...
【单选题】已知图示二梁的抗弯截面刚度EI相同,若二者自由端的挠度相等,则P 1 /P 2 为:()
A.
2
B.
4
C.
8
D.
16
【简答题】A.She isn't there in the morning. B.Her assistant isn't there in the morning. C.She won't have the forms he needs until the afternoon. D.She isn't too busy in the afternoon.
【简答题】循证医学产生的原因及意义?
【单选题】–Why were you late for school this morning? –I got up very early this morning, ________ I didn’t catch the first bus.
A.
and
B.
but
C.
or
D.
so
【单选题】已知图示二梁的抗弯截面刚度 EI 相同,若二者自由端的 挠度相等,则 P 1 /P 2 等于:
A.
2
B.
4
C.
6
D.
8
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