一列简谐波沿直线传播，某时刻该列波上正好经过平衡位置的两质点相距6m，且这两质点

阅读理解。

     Mr Smith was in trouble those days. He drove a car for Mr Black, a rich businessman. He worked hard

and the shopkeeper liked him. But he couldn't work when he drank too much. And once he almost fell into

the river when he drove along the bridge. Mr Black became angry and was going to send him away. He had

a big family and was afraid of it and promised (许诺) he would stop drinking at once. The man told him to

wait to be dealt with (处置).

     One Monday morning Mr Smith came into the office with badly burned ears.

     "What happened to your ears?" asked Mr Black.

     "Well", said the man. "I went to watch a football match yesterday while my wife was ironing (熨) clothes.

She had put the iron (熨斗) nearthe telephone before she went to cook supper. Our team lost the game and I

felt sorry for it. As soon as I went in the sitting-room, the phone rang and I answered the iron!"

     "And what happened to the other ear?"

     "When I put the iron down the table, the telephone rang again!"

1. _____, so he almost drove the car into the river. [ ]

A. Mr Smith was not careful

B. Mr Smith drank too much

C. Mr Smith forget they were on the bridge

D. Mr Smith couldn't work in the morning

2. Mr Smith went to watch the football match _____. [ ]

A. Monday

B. Tuesday

C. Saturday

D. Sunday

3. We can guess          . [ ]

A. Mr Smith drank much after the match

B. Mr Smith was very angry with his team

C. Mr Smith didn't drink those days

D. Mr Smith watched the match those days

4. The ______ badly burned Mr Smith's ears. [ ]

A. telephone

B. drinking

C. iron

D. irons

5. What would happen to Mr Smith? [ ]

A. He would go on driving for Mr Black.

B. He would join his football team.

C. He would never watch any matches.

D. Mr Black would send him away.

下列调查中，调查方式选择正确的是（　　）

A．为了了解海门市中学生的主要娱乐方式，选择全面调查

B．为了了解海门市居民对废电池的处理情况，选择抽样调查

C．为了了解生产的一批灯管的使用寿命，选择全面调查

D．为了了解东洲公园全年的游客流量，选择全面调查

下列有机实验操作或叙述不正确的是（　　）

A．乙酸乙酯中的少量乙酸可用浓的NaOH溶液除去

B．用盐析法分离油脂皂化反应的产物

C．在酒精中加新制生石灰后蒸馏制无水酒精

D．用热的纯碱溶液洗涤粘有油脂的试管

已经过工伤认定，且劳动能力鉴定为工伤十级，现打算与公司解除劳动合同，不知可以获得哪些赔偿？

造成行政伦理失范的原因是多方面的，从行政人员自身的角度来看，最主要的原因就是行政人员社会角色的（）

A.唯一性

B.双重性

C.多重性

D.政治性