秦朝的政策措施中，有哪些对后世产生了深远的影响？（至少回答四

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问题问答题

秦朝的政策措施中，有哪些对后世产生了深远的影响？（至少回答四点）

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答案

①建立起我国第一个统一的中央集权的封建国家。②创立了一套封建专制主义的中央集权制度：规定最高统治者称皇帝，总揽全国一切军政大权。③推行郡县制。④统一文字、货币、度量衡。⑤修筑长城。⑥开凿灵渠等等。

选择题

用示波器观察其交流信号时，在显示屏上显示出一个完整的波形，如图所示．经下列四组操作之一，使该信号显示出两个完整的波形，且波形幅度增大．此组操作是 (　　)．

A．调整X增益旋钮和竖直位移旋钮

B．调整X增益旋钮和扫描微调旋钮

C．调整扫描微调旋钮和Y增益旋钮

D．调整水平位移旋钮和Y增益旋钮

阅读理解

阅读理解：阅读短文，根据短文内容和问题，从题后A、B、C、D四个选项中选出一个最佳答案

Li Ping is a Grade Eight student in Nanjing Sunshine Secondary School. The table below is his mid-term

self-assessment (自我评价). He draws faces to show his progress:

1. Li Ping thinks he did best in _______ in Unit 1. [ ]

A. opposites

B. using a dictionary

C. a report

D. present perfect tense

2. What does Li Ping need to improve in Unit 1? [ ]

A. Present perfect tense.

B. Using a dictionary.

C. A report.

D. Opposites.

3. Which do you think Li Ping does well in? [ ]

A. Present perfect tense.

B. Passive voice.

C. Organizing information.

D. Favourite educational computer game.

4. What is Li Ping NOT very good at in Unit 2? [ ]

A. Suffixes'ful'and'less'.

B. Past continuous tense.

C. Linking words.

D. My best holiday.

5. From the table we know Li Ping is weak in ________. [ ]

A. Vocabulary

B. Main task

C. Study skills／Pronunciation

D. Grammar