4年级 知识报 （13/2012期）（总1650期） 答案

华文同步练习

 1. C    2. A     3. A    4. C    5. D   6. B   7. A   8. C    9. B   10. D    11. D

华文试卷（二）

1. 飞快   2. 领先    3. 着急    4. 拼命    5. 脚步

道德教育同步练习

 (A) 1. 贺卡    2. 请安    3. 插嘴    4. 援手    5. 称赞    6. 端午节

 (B) 1. A    2. A    3. B    4. B   5. B

科学同步练习

 (A) 1. A    2. D    3. C     4. C     5. A

 (B)  1. (a) 为了探讨表面的面积和铺满表面所需的卡片数量之间的关系。

             (b) 卡片的大小

             (c) 铺满表面 X 所需的卡片数量最少，而铺满表面 Z 所需的卡片数量最多。

             (d) 表面越大（小），铺满表面所需的卡片数量越多（少）。

数学同步练习

 (A)         1. C   2. A    3. A    4. B    5. A    6. D    7. C

(B)          1. RM2 209.15    2. RM208    3. RM7    4. RM759.50     5. RM2 136.30    6. RM2 915.65     7. RM21.85

地方研究同步练习

 (A) 1. √  2. X    3. X    4. √          (B) 1. D   2. B   3. A   4. C

Latihan Berdasarkan Buku Teks

1. C   2. C   3. C

Textbook-based Exercises

1. One day, Farid saw an elderly man at the bus stop. The man had several heavy bags with him. Farid approached the man and offered to carry the bags into the bus. The elderly man was surprised but thanked Farid for his help.

2. When the bus arrived, Farid carried most of the bags into the bus. He put them near the man’s seat. As the man was about to get off the bus, Farid offered to carry the bags to his house. The elderly man immediately refused but Farid insisted.

3.  Half an hour later, Farid carried the bags and walked with the elderly man to his house. The man’s wife came out to greet him. The man introduced his wife to Farid. The man and his wife were very grateful to Farid. Farid bid them farewell and then went home.