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四年级 科学

Total questions: 28

Worksheet time: 57mins

Name
Class
Date
1.
a)

A

b)

B

c)

C

d)

D

2.
a)

A

b)

B

c)

C

d)

D

3.
a)

A

b)

B

c)

C

d)

D

4.
a)

A

b)

B

c)

C

d)

D

5.
a)

A

b)

B

c)

C

d)

D

6.
a)

A

b)

B

c)

C

d)

D

7.

7. 哪项有关反应的说明使正确的？

a)

人体对周围环境的适应

b)

把废物排出体外的过程

c)

对外来刺激所作出的举动

d)

人体对外界所产生的不适感

8.
a)

A

b)

B

c)

C

d)

D

9.
a)

A

b)

B

c)

C

d)

D

10.
a)

A

b)

B

c)

C

d)

D

11.
4 lines
12.
4 lines
13.
4 lines
14.
4 lines
15.
4 lines
16.
4 lines
17.
4 lines
18.
4 lines
19.
4 lines
20.
4 lines
21.
4 lines
22.
4 lines
23.
4 lines
24.
4 lines
25.
4 lines
26.
4 lines
27.
4 lines
28.

*将答案画在纸上，过后将答案拍给老师

a)

完成

b)

完成

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