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综合挑战三

Authored by chuang li

Biology

7th Grade

Used 1+ times

综合挑战三
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13 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

诗句“种豆南山下,草盛豆苗稀”中,豆与草这两种植物的种间关系是共生

正确
错误

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

“螳螂捕蝉,黄雀在后”这句成语揭示了动物之间的互利共生的关系

正确
错误

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

绿色植物的每个细胞都含有叶绿体和线粒体

正确
错误

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

观察时,转动粗准焦螺旋,使镜筒缓慢下降,直到物镜接近玻片标本。该过程应用左眼一直注视目镜

正确
错误

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

糖类、蛋白质、脂肪、水分、无机盐都是细胞的供能物质

正确
错误

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

显微镜观察的玻片标本材料应该是薄而透明的

正确
错误

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

人在运动时大汗淋漓,体现了生物能对外界刺激作出反应

正确
错误

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