16. assure | give up | forgiveness | meaningless | proper ____1____ doesn＇t mean forgetting. That is something that few people can truly do. It means, “I ____2____ my right to hurt you back or hold this over you in the future”. ____3___ them that you will make the ___4____ changes in the future and that you should keep this problem from happening again. Words with no action are pretty___5____. If you promise to change, and the other person sees you change, you can repair your relationship and rebuild trust.

4. Did you ever hear of "singing sand" This is the kind of sand that makes bizarre sounds when it is walked on or driven over, or when the wind blows across its surface. The sound such sand makes often has a musical tone (音调). In the United States, singing sand has been found along the seashore in Massachusetts and in the sands north of Alamosa, Colorado. People in different parts of the world have given these musical sands different names. In South Africa they are called "crying sands" In Hawaii they are called "barking sands." And in Afghanistan(阿富汗) they are called "drumming sands."But no matter what the sands may be called, scientists have not yet agreed on what causes them to make such strange sounds. What causes the sand to make sounds

3. Did you ever hear of "singing sand" This is the kind of sand that makes bizarre sounds when it is walked on or driven over, or when the wind blows across its surface. The sound such sand makes often has a musical tone (音调). In the United States, singing sand has been found along the seashore in Massachusetts and in the sands north of Alamosa, Colorado. People in different parts of the world have given these musical sands different names. In South Africa they are called "crying sands" In Hawaii they are called "barking sands." And in Afghanistan(阿富汗) they are called "drumming sands."But no matter what the sands may be called, scientists have not yet agreed on what causes them to make such strange sounds. The sand discussed in the passage is found____.

2. Did you ever hear of "singing sand" This is the kind of sand that makes bizarre sounds when it is walked on or driven over, or when the wind blows across its surface. The sound such sand makes often has a musical tone (音调). In the United States, singing sand has been found along the seashore in Massachusetts and in the sands north of Alamosa, Colorado. People in different parts of the world have given these musical sands different names. In South Africa they are called "crying sands" In Hawaii they are called "barking sands." And in Afghanistan(阿富汗) they are called "drumming sands."But no matter what the sands may be called, scientists have not yet agreed on what causes them to make such strange sounds. The main idea of this passage is that ____.

1. Did you ever hear of "singing sand" This is the kind of sand that makes bizarre sounds when it is walked on or driven over, or when the wind blows across its surface. The sound such sand makes often has a musical tone (音调). In the United States, singing sand has been found along the seashore in Massachusetts and in the sands north of Alamosa, Colorado. People in different parts of the world have given these musical sands different names. In South Africa they are called "crying sands" In Hawaii they are called "barking sands." And in Afghanistan(阿富汗) they are called "drumming sands."But no matter what the sands may be called, scientists have not yet agreed on what causes them to make such strange sounds. The best title for this passage is ____

5. When people meet each other for the first time in Britain, they say “How do you do?”and shake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time. Last year a group of German students went to England for a holiday. Their teacher told them that the English people hardly shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they put their hands in front and got ready to shake hands with them. It made both of them laugh. This story is about______

4. When people meet each other for the first time in Britain, they say “How do you do?”and shake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time. Last year a group of German students went to England for a holiday. Their teacher told them that the English people hardly shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they put their hands in front and got ready to shake hands with them. It made both of them laugh. Which is right?

3. When people meet each other for the first time in Britain, they say “How do you do?”and shake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time. Last year a group of German students went to England for a holiday. Their teacher told them that the English people hardly shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they put their hands in front and got ready to shake hands with them. It made both of them laugh. Usually English people don’t shake hands______

2. When people meet each other for the first time in Britain, they say “How do you do?”and shake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time. Last year a group of German students went to England for a holiday. Their teacher told them that the English people hardly shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they put their hands in front and got ready to shake hands with them. It made both of them laugh. English people usually shake hands when they______

1. When people meet each other for the first time in Britain, they say “How do you do?”and shake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time. Last year a group of German students went to England for a holiday. Their teacher told them that the English people hardly shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they put their hands in front and got ready to shake hands with them. It made both of them laugh. It is ______if you know the language and some of the customs of the country.

5. The earth moves round the sun, and the moon moves round the earth. When our part (部分) of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night. The sun is much bigger than the moon. But sometimes the moon looks bigger than the sun, because it＇s much nearer to the earth. The sun is very bright. It gives a very strong light. The moon looks quite bright, too. But it doesn＇t give any light at all.The moon looks much bigger and brighter than the stars. But in fact the stars are much bigger and brighter than the moon. They look smaller than the moon because they＇re much farther away from us. The moon looks bright because ___________.