题目内容

The speaker ______ have criticized the paraprofessionals, knowing full well that they were

A. should not to
B. must not
C. ought not to
D. may not

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SECTION 1 Vocabulary Selection
In the section, there are 20 incomplete sentences. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D. Choose the word or phrase which best completes each sentences. There is only ONE right answer.
Grover Cleveland was the first president ______ in the White House.

A. got married
B. to get married
C. has got married
D. was married

编写如下两个事件过程:
Private Sub Form_KeyDown(KeyCode As Integer,Shift As Integer)
Print Chr(KeyCode)
End Sub
Private Sub Form_KeyPress(KeyAscii As Integer)
Print Chr(KeyAscii)
End Sub
在一般情况下(即不按住"Shift"键和锁定大写键时)运行程序,如果按“A”键,则程序输出的结果是

AA
B. Aa
C. Aa
D. aa

下列表述不符合文章意思的一项是()

A. 阿瑟·克拉克公开提出了利用太阳风实现星际航行的大胆设想,美国航天航空局则耗资两亿美元来对太阳风展开进一步的观测研究。
B. 太阳是由太阳核、对流层、光球层、色球层和日冕层共同组成的,其温度极高,可达15000摄氏度,因而会引起日冕连续不断地向外膨胀。
C. 尽管太阳的引力很大,但速度极快的带电粒子流还是有一部分像狂风那样“吹”向行星际空间;
D. 强劲的太阳风强烈地扭曲磁场所产生的电子湍流能对人类的生活产生极大的破坏性。

根据现行增值税法律制度的有关规定,一般纳税人取得防伪税控系统开具的专用发票,必须自该专用发票开具之日起 90日内到税务机关认证,并在认证通过的当月核算当期进项税额并申报抵扣,否则不予抵扣进项税额。 ()

A. 正确
B. 错误

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