（）由国家税务总局规定。A、增值税专用发票 B、发票防伪专用品_爱下问搜题

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问题多项选择题

（）由国家税务总局规定。

A、增值税专用发票

B、发票防伪专用品的生产企业

C、全国统一发票监制章的式样印刷要求

D、全国统一发票的版面印刷要求

答案

参考答案：B, C, D

完形填空

完形填空。

Dear Grandma,
    How's it    1  ? I hope that Grandpa is    2   now. I was sorry to    3   that he    4   cold last week. I hope
you are in good health. Things are fine here. I finished my end-of-year exams last week, and    5   my report
card today. I always get    6   when I see the envelope from school in the mail, but    7   I did OK this time. I    8   a really hard time    9   science the semester, and I wasn't surprised to find that my   10  report was
from my science teacher. She said I was lazy, which isn't true.

( )1. A. going
( )2. A. good
( )3. A. heard
( )4. A. have
( )5. A. get
( )6. A. nervous
( )7. A. Lucky
( )8. A. have
( )9. A. for
( )10. A. worse

B. go
B. better
B. hear
B. has
B. got
B. pushy
B. Luck
B. had
B. to
B. bad

C. goes
C. best
C. know
C. had
C. gets
C. happy
C. Luckily
C. having
C. with
C. worst

D. went
D. well
D. listen
D. was having
D. have
D. surprised
D. Luckly
D. was having
D. at
D. best

选择题

2002年诺贝尔物理学奖中的一项，是奖励美国科学家贾科尼和日本科学家小柴晶俊发现了宇宙X射线源．X射线是一种高频电磁波，若X射线在真空中的波长为λ，以h表示普朗克常量，c表示真空的光速，以E和m分别表示X射线每个光子的能量和质量，则（　　）

A．E=，m=0

B．E=，m=

C．E=，m=0

D．E=，m=