扬声器播放音乐时，放在纸盆上的小纸片会不断地跳动。这个实验是用来探究（ ）
| A．声音能否在真空中传播 | B．声音产生的原因 |
| C．音调是否与频率有关 | D．乐音与噪声的区别 |
CCTV青年歌手大奖赛中有道辨听题：“先听音乐，后判断该音乐是用哪种乐器演奏的”。歌手能判断出用哪种乐器演奏是依据声音的（ ）
| A．音调 | B．音色 | C．响度 | D．频率 |
Mr. Smith was an old miser (守财奴). He had a lot of 16 , but he never bought anything 17 . He and his wife lived in an old house outside the town. He often went to the shop 18 in order to save some money. In the 19 , as soon as it was dark in the room, he 20 . He had no TV but bought a cheap radio and often 21 the advertisements.
The old man had no 22 , his wife was often ill. He wouldn’t send her to the hospital. He thought he would 23 much to the doctors if they looked her over. He bought a few medical books and bought some 24 for her.
One night, Mrs. Smith felt unwell. She had got a bad headache. She asked her husband to 25 a doctor, but he didn’t agree. He brought out some pills and made her 26 them. But it was no use.
The old woman began to 27 at home. Mr. Smith locked the door and went in another room and 28 there. The next morning, when he woke up, he came into her 29 to see if she was all right. But he found the poor woman had died. He hurried to the telephone, but 30 his mind at once. He ran out and shouted to the servant (佣人), “Don’t cook breakfast for Mrs. Smith this morning, Linda!”
The old man had no 22 , his wife was often ill. He wouldn’t send her to the hospital. He thought he would 23 much to the doctors if they looked her over. He bought a few medical books and bought some 24 for her.
One night, Mrs. Smith felt unwell. She had got a bad headache. She asked her husband to 25 a doctor, but he didn’t agree. He brought out some pills and made her 26 them. But it was no use.
The old woman began to 27 at home. Mr. Smith locked the door and went in another room and 28 there. The next morning, when he woke up, he came into her 29 to see if she was all right. But he found the poor woman had died. He hurried to the telephone, but 30 his mind at once. He ran out and shouted to the servant (佣人), “Don’t cook breakfast for Mrs. Smith this morning, Linda!”
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After our hospital visit, my husband and I needed cheering up, so we thought we would treat ourselves to a big breakfast at our favorite restaurant. While we were waiting for our meals, we decided to use all our small change and make our wallets light, so we counted it out as we waited.
I vaguely(含糊地) remember seeing a man sitting nearby. When our meals arrived, we found a note. It read,” Your breakfast has been paid for. Hope you have a lovely day.”
It was a wonderful surprise as nothing like that had ever happened to us. He must have thought we could hardly pay the bill. We looked around to thank him, but he had left. As retirees(退休者)，we were grateful for the help like this, but it was the kindness of a total stranger that meant so much more to us.
【小题1】The old couple went to restaurant for a big breakfast in order to _______.
【小题2】What have you learnt from the story?
【小题3】Clearly, the man sitting near the couple was _______.
I vaguely(含糊地) remember seeing a man sitting nearby. When our meals arrived, we found a note. It read,” Your breakfast has been paid for. Hope you have a lovely day.”
It was a wonderful surprise as nothing like that had ever happened to us. He must have thought we could hardly pay the bill. We looked around to thank him, but he had left. As retirees(退休者)，we were grateful for the help like this, but it was the kindness of a total stranger that meant so much more to us.
【小题1】The old couple went to restaurant for a big breakfast in order to _______.
| A．become happier | B．become healthier |
| C．become lighter | D．become younger |
| A．The old couple couldn’t afford the meal. |
| B．The old couple paid the meal by small change. |
| C．The old couple had a free meal in the end |
| D．The old couple bought the man a big breakfast |
| A．poor | B．rich | C．helpful | D．grateful |
| Mitzi Lost Wednesday evening French poodle(卷毛狗) called Mitzi Brown, 5 year old, good reward Phone Barbara 555-4140 anytime | Bluey Lost blue\ white Persian male cat 12months old, friendly nature Any info about Bluey Large reward Tom 555-2732 evenings |
| Pet-Cats Burmese kittens 11 weeks old 2 female 4 male 1 Red Others various colors Gentle and registered(注册)＄250 Sandy 555-0001 mornings | Pet-Dogs Small dogs\short legs \long body 3 red 2 male 1 female 5 months old, registered Sale ＄280 Phone Carl 555-9019 afternoon |
| A．555-9019 | B．555-0001 | C．555-4140 | D．555-2732 |
| A．a gold medal | B．a large pet |
| C．a great prize | D．a lot of money |
A. Barbara B. Tom
B. Carl D. Sandy
【小题4】The above four notices are all about _______.
| A．dogs | B．cats | C．pets | D．selling pets |