完形填空。先通读下面短文，读懂大意。然后从后面各题所给的A、B、C、D四个选项中选择可以填入相应空白处的最佳选项。

You without doubt sleep every day, but do you have a dream every night? How much do you know about dreaming? “Sleep are 1 than dream. We all need to dream.” some scientists say.

Dreams take up about one quarter of our sleeping time. People have several dreams every night. Dreams are like short films. They are usually in color. Some dreams are like old films. They come to us over and over again. That 2 because the dreamer is worrying about something. Sometimes dreaming is a way of trying to find an answer.

Some people get 3about their work from dreams. They may have been thinking about their work all day. These thoughts can carry into dreams.

Sometimes we4with a good feeling from a dream. But often we can’t remember the dream.Dreams can disappear quickly from memory.

­5dreaming can be harmful. The more we sleep, the longer we dream. The mind is hard at work when we dream. That is why we may have a long sleep and still feel tired.

1621年，一位葡萄牙商人说：“白银在全世界到处流荡，直至流到中国，它留在那里，好像到了它的天然中心。”对此说法认识正确的是

阅读诗句，回答问题。

常记溪亭日暮，沉醉不知归路，

兴尽晚回舟，误入藕花深处。

争渡，争渡，惊起一滩鸥鹭。

根据对诗句的理解，写出赏析。

    尝有农夫以驴负柴至城卖，遇宦者^①称宫市取之，才与绢数尺，又就索^②门户^③，仍邀^④驴送至内。农夫涕^⑤泣，以所得绢付之，不肯受，曰：“须汝驴送至内。”农夫曰：“我有父母妻子^⑥ ，待此然后食。今以柴与汝，不取直而归，汝尚不肯，我有死而已。”遂殴宦者。街吏擒以闻，诏^⑦黜^⑧此宦者，而赐农夫绢十匹。然宫市亦不为之改易。谏官御史数奏疏谏，不听。上初登位^⑨，禁之；至大赦，又明禁。

【注】①宦者：太监。②索：索取。③门户：指门户钱，货物送入宫中，每过一门，都要付钱给守门人，叫做进奉门户钱。④邀：强要。⑤涕：哭。⑥妻子：妻子和儿女。⑦诏：皇帝的命令。⑧黜：贬黜，开除。⑨上初登位：指顺宗李诵初做皇帝。