4年级 知识报 2011/30总1627期 答案

华文复习(3)
1. B          2. A          3. C          4. C          5. B          6. A          7. C          8. C          9. D          10. B          11. D          12. B          13. C          14. C

华文试卷（二）
1. 活动          2. 杂草          3. 轻轻          4. 伙伴          5. 使劲

Revision Exercises (3)
(A) 1. A          2. A
(B) 1. B          2. A
(C) 1. A          2. D
(D) 1. D          2. C
(E) 1. A          2. C          3. D          4. C          5. A
(F) 1. There are gifts under the Christmas tree.
2. A scarecrow is put up to frighten the birds away.
3. The lorry is bigger than the bus.
4. There is a long queue at the cinema.

Latihan Ulang Kaji (3)
1. C          2. A          3. A          4. D          5. A          6. A          7. A          8. B          9. D          10. B          11. D          12. C          13. B          14. D          15. A

科学复习(3)
(A) 1. C          2. B          3. C          4. D          5. B          6. B          7. B
(B) 1. (a) 为了探讨试管里的情况和铁钉最后质量之间的关系。/ To investigate the relationship between the condition and its final mass for each nail in each test tube.
(b)
(i) 水分和空气的存在 / The presence of air and water
(ii) 铁钉最后的质量 / The final mass of each iron nail
(c)
R 铁钉 / Iron nail R
(d)
R 铁钉的质量在2个星期后增加了。/ The mass of iron nail R increased after 2 weeks.
2. (a) 增加 / The trend of the time taken increased according to the distance each planet is from the Sun.
(b)
(i) 行星与太阳之间的距离 / The distance from the planets to the Sun
(ii) 行星环绕太阳运转所需的时间 / The time taken for each planet to move around the Sun

数学复习(3)
(A) 1. C          2. A          3. C          4. A          5. A          6. B          7. A          8. C          9. B
(B) 1. 1 600克 / 1 600 grams          2. 24           3. 4 300          4. 117 公斤 160 克 / 117 kilograms 160 grams          5. 34.56 m          6. 4.3 kg          7. 5.79 米 / 5.79 m           8. 8.14 m          9. 717.5 kg           10. 9.2 kg          11. 79, 6

道德复习(3)
(A) 1. c          2. d          3. e          4. a          5. b
(B) 1.√          2.√          3.x          4. x          5.  x         6.√
(C) 1. 雪中送炭          2. 自律          3. 安宁和睦          4. 团队          5. 美观
(D) 1,4