已知A，B，C三点共线，且A（3，-6），B（-5，2）若C点横坐标为6，则C点

单词拼写（共10小题；每小题1分，满分10分）

I feel very happy to receive your letter and here I’d like to give you

some a      on how to learn English. Above all, don’t lose 76. ____________

heart. Many students find it _______ to learn English, especially77. ____________

_______ write good English compositions. In my opinion, if you78. ____________

want to _______(改善) your writing, you should learn by heart79. ____________

as many English expressions and sentence p       as possible.80. ____________

And at the same time try to use _______ in your compositions. I81. ____________

think just r      grammar rules is no use. And only by reading and82. ____________

writing a lot _______ you be able to learn English well in an effective83. ___________

way. I definitely _______(相信) the most important thing is that you84. ____________

should _______(继续) writing every day and never give up.85. ____________

进口小包装食品报检时应提供( )

A．卫生部文件

B．产地证

C．进出口食品标签审核证书

D．合同、发票、装箱单、提单等

亚洲是世界第一大洲，以下关于亚洲叙述正确的是（　　）

A．亚洲是世界上海拔最高的大洲

B．亚洲是世界上纬度最高的大洲

C．亚洲是世界上跨纬度最广的大洲

D．亚洲是世界上跨经度最广的大洲

“验证机械能守恒定律”的实验可以采用如图所示的甲或乙方案来进行．甲方案为用自由落体实验验证机械能守恒定律，乙方案为用斜面小车实验验证机械能守恒定律．

小题1:比较这两种方案，________(填“甲”或“乙”)方案好一些，理由是____________________

____________________________________________．

小题2:图丙所示是该实验中得到的一条纸带，测得每两个计数点间的距离如图所示，已知每两个计数点之间的时间间隔T＝0.1 s．物体运动的加速度a＝________；该纸带是采用

__________(填“甲”或“乙”)实验方案得到的．简要写出判断依据______________________________．

设计概算是在（）阶段编制的确定工程项目投资的文件。

A.方案设计

B.初步设计

C.技术设计

D.施工图设计