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【单选题】
所谓伪造会计凭证、会计账簿及其他会计资料，是指用涂改、挖补等手段来改变会计凭证、会计账簿等的真实内容，歪曲事实真相的行为。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】According to the author, communication begins______.
A.
with nonverbal interactions
B.
two hundred thousand years ago
C.
between mother and child
D.
with words
【简答题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这种干扰? A.减低滤波频率 B.减低测速度的速度标尺，增大取样框 C.屏住呼吸，提高滤波频率 D.降低速度标尺 E.深呼吸，提高速度标尺
【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这些干扰()
A.
减低滤波频率
B.
减低测速度的速度标尺，增大取样框
C.
屏住呼吸，提高滤波频率
D.
降低速度标尺
E.
深呼吸，提高速度标尺
【单选题】The author begins this article with ______.
A.
an amusing anecdote
B.
a well-known fable
C.
an illustrative story
D.
an enlightening folk-tale
【单选题】The author most likely begins and concludes the passage with questions for what reason?
A.
To suggest possible areas for current and future research
B.
To pose a question that is answered in the body of the passage, and then to formulate a question that arises naturally out of the discussion
C.
To gain the readers' attention and encourage their agreement with the arguments in the passage
D.
To suggest through rhetorical questions that the problems described in the passage do not actually have answers
E.
To test the readers' knowledge of the material discussed in the passage
【单选题】The author begins his article with Edmund Burke's words to______.
A.
call on scientists to take some actions
B.
criticize the misguided cause of animal rights
C.
warn of the doom of biomedical research
D.
show the triumph of the animal rights movement
【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这种干扰
A.
减低滤波频率
B.
减低测速度的速度标尺，增大取样框
C.
屏住呼吸，提高滤波频率
D.
降低速度标尺
E.
深呼吸，提高速度标尺
【单选题】The author begins the artical with________________.
A.
a controversial opinion about envrionmental influence on human intelligence.
B.
a concise definition of the term "nature vs. nurture"
C.
a general remark about a much talked about issue known as the "nature vs. nurture" debate.
D.
an introduction to a new approach to the investigation of genetic and environmental effects.
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