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问题 单项选择题

唐后期地方节度使耀武扬威，但北宋时文官却荣耀显赫。一文一武的地位变化说明必须（）。

A.必须改革官僚机构

B.解决无权人浮于事

C.消除地方割据势力

D.加强中央集权统治

答案

参考答案：D

填空题

Dear Lin Tao,

How are you? Thanks for your letter. You want to    小题1:    something about my school life in your letter. Let me   小题2:   you now.

America is a nice  小题3: , and people here are very friendly. My sister and I go to the   小题4:   school . We have classes   小题5: Monday to Friday, and six classes every day. I like history very much.I think it’s very    小题6:  . On Sundays, my father often ____小题7:__ us to the park.

I have many __小题8:___ in my school. They often ask me something about China. After class, I like____小题9:__football with them. It’s my favorite outdoor activity.

What’s your favorite subject? Do you like your school life? Please write__小题10:___ me.

Yours,

Tom                                       
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单项选择题

在下列哪种情形下可减小起飞所需跑道长度？（）

A.抬前轮前高于建议速度

B.低于标准空气密度

C.提高逆风增量
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