这只蝌蚪的长度是多少？

What is the length of this tadpole?

• 1cm

• 2cm

• 3cm

• 4cm

在科学室发生意外时，应该立刻通知谁？

Who should be notified immediately in the event of an accident in the science lab?

• 家长

  Parents

• 班长

  • Class monitor

• 副班长

  Assistant class monitor

• 老师

  Teacher

维伦的肤色遗传自谁？

From whom did Villon inherit his skin color?

• 爸爸

  Father

• 妈妈

  Mother

• 姐姐

  Sister

• 自己

  Himself

哪个动物会产卵？

Which animal lays eggs?

• 青蛙

  Frog

• 大象

  Elephant

• 长颈鹿

  Giraffe

• 熊

  Bear

哪项是植物的基本需求？

What is a basic need of plants?

• 水、空气和食物

  Water, air and food

• 水、空气和阳光

  Water, air and sunlight

• 水、空气和养料

  Water, air and nutrients

• 水、空气、食物和庇护所

  Water, air, food and shelter

哪项不是植物的重要性？

Which of the following is not an importance of plants?

• 为动物提供庇护所Providing shelter for animals

• 提供人类所需的草药Providing medicinal herbs for humans

• 为草食动物提供食物Providing food for herbivores

• 减少空气中的氧气Reducing oxygen in the air

当光照射在哪个物体时，该物体不会产生影子？

When light shines on which object, will the object not cast a shadow?

• P

• Q

• R

• Q和R

哪个物体所产生的影子最清晰？

Which object produces the clearest shadow?

• 字典

  Dictionary

• 纸巾

  Tissue paper

• 玻璃镜片

  Glass lens

• 毛玻璃杯

  Frosted glass cup

哪个元件可提供电流？

Which component can provide electric current?

• 电线

  Wire

• 开关

  Switch

• 灯泡

  Bulb

• 干电池

  Dry cell (battery)

慧丽在安装电路时发现开关坏了。哪项物品可以替代开关？

When Hui Li was setting up a circuit, she found that the switch was broken. Which item can be used to replace the switch?

• 回形针

  Paperclip

• 橡皮

  Eraser

• 烧杯

  Beaker

• 食油

  Cooking oil