Let's_____ the map on the wall. [ ] A.

阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。

     I was in a strange city and I didn't know the city at all. And what is more, I could not speak a word of

the (1)1          . After having spent my first day in the town center, I decided to lose my way on my second

day, since I was sure that this was the better way of (2)g          to know the strange city. I got on the first

bus in the morning, rode on it for several stops, then got off it and walked on. The first two hours (3)p         

 happily enough. Then I decided to turn back to my (4)h           for lunch. After walking about for some time,

I decided I had better ask the way. The (5)t           was that the only word I knew of the language was the

name of the street in which I lived and even that I pronounced badly. 

     I stopped to ask a friendly looking newspaper (6)s          . He smiled and handed me a paper. I shook (摇)

my head and repeated the name of the street, and he put the paper into my hands. I had to give him some

(7)m           and went on my way. Then I met a policeman. I asked him at once. The policeman listened to

me carefully. Smiled and took me (8)b           the arm. There was a strange look in his eyes as he pointed left

and right and left (9)a          . I thanked him politely and began walking on.

     About an hour passed and I found that the houses were getting fewer and fewer and green fields could be

(10)s           on either side of me. I had come all the way into the country. The thing left for me to do was to

find the nearest bus station.

下列有清热通便功效的方剂是（）

A.茵陈蒿汤

B.栀子柏皮汤

C.麻黄连轺赤小豆汤

D.麻子仁丸

E.抵当汤

如图所示，A为静止于地球赤道上的物体，B为绕地球做椭圆轨道运行的卫星，C为绕地球做圆周运动的卫星。P为B、C两卫星轨道的交点，已知A、B、C绕地心运动的周期相同。相对于地心，下列说法中不正确的是

A．卫星C的运行速度大于物体A的速度

B．物体A和卫星C具有相同大小的加速度

C．可能出现：在每天的某一时刻卫星B在A 的正上方

D．卫星B在P点的加速度与卫星C在该点加速度相等

简述电子控制发动机系统检测与诊断的一般程序。

从色谱组分分析仪注样开始到全部组分分析完成所用的时间为一个（）。

A、周期

B、分析周期

C、保留时间

D、出峰时间