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问题 单项选择题

关于大势型指标的内容，说法不正确的是( )。

A．ADL的应用重在相对走势，而不看重取值的大小。同时ADL不能单独使用，要同股价曲线联合使用才能显示出作用

B．ADL连续上涨(下跌)了很长时间(一般是3天)，而指数却向相反方向下跌(上升)了很长时间，这是买进(卖出)信号，至少有反弹存在

C．ADR从低向高超过0.5，并在0.5上下来回移动几次，是空头进入末期的信号

D．OBOS比ADR的计算简单，意义直观易懂，所以使用OBOS的时候较多，使用ADR的时候较少，可以放弃ADR

答案

参考答案：D

解析： OBOS比ADR的计算简单，意义直观易懂，所以使用OBOS的时候较多，使用 ADR的时候较少，但放弃ADR是不对的。

单项选择题

I got a job teaching special education at a school in Coachella, California, a desert town about 170 miles from home. It was no (1) job. Street gangs (2) around the school after dark.

"Be careful, " Dad warned me during one of my frequent weekend (3) home. He was concerned about my living (4) , but I needed to be on my own.

One evening, I stayed after school to rearrange my classroom. (5) , I turned out the light and closed the door. Then I (6) toward the gate. It was (7) ! I looked around. Everyone had gone home.

After (8) all the exits, I found just enough (9) to squeeze under a gate in the back of the school. Then I walked toward my car, parked in a field behind the building.Suddenly I heard voices. I (10) around and saw at least eight boys following me. (11) my pace, I reached into my shoulder bag to get my key. I (12) all over the inside of my handbag. But the key wasn’t (13) ! Dear Lord, please help me, I prayed (14) . Suddenly, my fingers touched a loose key in my purse. I didn’t even know if it was for my car, but I took it out and (15) it. It worked!I opened the door, slid in and locked it—just (16) the teenagers surrounded the car. Trembling , I started the engine and (17) away. When I returned to my apartment, the phone was ringing. It was my Dad. I didn’t tell him about my experience; I didn’t want to (18) him. "Oh, I forgot to tell you!" He said, "I had a (n) (19) car key made and slipped it into your purse—just (20) you ever need it. \

3().

A.parties 

B.holidays 

C.visits 

D.driving
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问答题 简答题

副阀在局减位通路如何？（绘图说明）
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