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问题 选择题

下列表示呼吸作用的公式中，正确的是

[ ]

A．二氧化碳+水→有机物+氧

B．二氧化碳+有机物→水+氧+能量

C．有机物+氧→二氧化碳+水

D．有机物+氧→二氧化碳+水+能量

答案

答案：D

填空题
选词填空 从方框中选择合适的单词填入下列句子中。
turn, cut, peel, mix, drink, roll, eat, pour, have, boil, add, take, put, make

1. How long does it ________ to get to school?
2. I can't come. I ________ a really busy day.
3. The Greens like to ________ sandwiches with lettuce.
4. Let's ________ some banana smoothie.
5. ________ some more salt to the popcorn, please.
6. You have to ________ the banana before eating it.
7. Can you help me ________ up these tomatoes?
8. Don't _________ waste water into the river.
9. Next you need to _________ all these things into the blender.
10. Finally, _________ on the blender and you'll get some fruit salad.

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单项选择题 A1/A2型题

行走中重心在（）

A.躯干

B.下肢

C.骨盆

D.上肢

E.头部
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