活塞敲缸是指工作行程开始的瞬间（或当活塞上行时），稍大塞历在气缸内摆动或窜动，造成活

阅读理解。

     This is a kind of answering machine. If you are not at home, you can leave a message on it. When

other people give you calls, it can also keep their messages on it. You can hear them when you are back

home.

   For example(例如),"Hi. This is Jim. I can't come to the phone now. Please leave me a message after

the  beep. Beep!"

     Bob phoned Jim. Bob said, "This is Bob. My friend Alex is visiting me. We are going to the movies

tomorrow. Do you want to go with us? Please give me a call today."

     When Jim went back home, he picked up the phone. He heard Bob voice(声音)on it. He hurried to

call Bob, "Hi, Bob. Thanks for your call. But I'm sorry I can't go to the movies with you tomorrow.

Susan is here, and I'm going out with her. Guess what! I asked her to marry me and she said yes! We're

going to have dinner with her parents tomorrow. Remember to say hello to Alex for me."

1. On that day, ______called ______first.

A. Jim; Bob

B. Alex; Jim

C. Alex; Bob

D. Bob; Jim

2. Bob and Alex were ______the next day.

A. visiting Jim

B. having dinner

C. going to the movies

D. calling Jim

3.______ wasn't at home when the telephone rang(响).

A. Bob

B. Jim

C. Alex

D. Susan

4. Jim was going out with ______the next day.

A. Susan and her friends

B. Susan and her parents

C. Bob and his friends

D. Alex and his parents

5. Which of the following is TRUE?

A. Alex was visiting Bob that day.

B. Susan was at home that day.

C. Jim heard the phone ring that day.

D. Jim had dinner with Alex that day.

城市公共交通规划的目标是( )。

A．符合优先发展公共交通的政策，为城市居民出行提供多样、便捷、舒适的公交服务
B．公共交通系统模式要与城市用地布局模式相匹配，适应并能促进城市和城市用地布局的发展
C．满足一定时期城市客运交通发展的需要，与城市其他客运方式协调配合
D．根据城市发展规模、用地布局和道路网规划，在客流预测的基础上，确定公共交通的系统结构，配置公共交通的车辆、线路网、换乘枢纽和站场设施等，使公共交通的客运能力满足城市高峰客流的需求

中风恢复期肝肾阴虚证宜用何方（）

A.一贯煎和芍药甘草汤

B.六味地黄丸

C.龟鹿二仙胶

D.左归丸合地黄饮子

E.大补元煎

CNG加气子站内无固定储气设施时，站内停放的车载储气瓶组拖车并应多于（）辆。

A.1

B.2

C.3

D.4

在进行室温顶锻试验时，如果试亲直径或边长小于或等于（）mm可用锤或锻打。

A.15mm

B.20mm

C.18mm