1kg的水凝固成冰，其质量是 kg，体积 ．（选填“变大”、“变小”或“不变”）
1 变大
题目分析：质量是物体固有的属性，不随物体的状态、形状、空间位置的改变而改变；体积等于质量与密度的比值．1kg水凝固成冰后，因为质量不随状态的改变而改变，所以质量不变，还是1kg；冰的密度比水的密度小，由
可知，水变成冰后，体积变大．答案为：1；变大．的应用，质量属性应用。
Questions 29-40
· Read the information about the communication of information in business.
· Choose the correct word to fill each gap from A, B or C.
· For each question (29-40) mark one letter A, B or C on your Answer Sheet.
| A number of business people still believe that information is power and constantly question how (29) people need to know. As a result, they tell employees (30) as much as they think is essential (31) them to do particular jobs. Furthermore, (32) business people have been taught (33) to communicate effectively and (34) they communicate very badly at all levels. Recent research shows that (35) most serious problems experienced by modern business are communication (36) Research has also shown that there is a clear link (37) good communication in a business and the motivation of the employees. Newsletters and notices are not (38) It is the attitude and behavior of business managers which (39) all the difference. Unfortunately, at present, a lot of employees do not believe all the information they receive from their managers (40) they feel that the managers themselves are out of touch with their staff. |
A．
| A. from |
B．
| B. with |
C．
| C. between |