一、根据句意及所给的汉语提示，写出正确的单词。
1. If you (混合) blue and yellow, you'll get green.
2. The morning (阳光) is bright(明亮的).
3. I (收集) some interesting things.
4. The factories (生产) a large number of cars every year.
5. (氧) is a part of the air.

1. mix 2. sunlight 3. collect 4. produce 5. Oxygen

二、按要求完成下列句子。每空一词。
1. He is going to be a teacher when he grows up.(对画线部分提问)
is he going to when he grows up?
2. Tony is going to watch a film this afternoon.(改为否定句)
Tony watch a film this afternoon.
3. We will have a picnic together with our teachers next weekend.(改为一般疑问句)
you a picnic together with your teachers next weekend?

1. What; be 2. is not going to 3. Will; have

三、从方框中选择恰当的选项补全对话。有一项多余。
A：Hey, do you understand how the “workers” in the plant make sugar and oxygen? 1.()
B：Me too! At first, I thought the “workers” were real people—but they're just tiny parts of the leaf! 2.()
A：Yeah! But why does the plant not need most oxygen it makes? That's surprising!
B：3.() Oxygen is like a “leftover” for us—no wonder we breathe it!
A：True! 4.() Like, measure oxygen from a plant in sunlight vs. dark!
B：5.() If we recognise how plants help humans, we'll protect them better.
A：Exactly! Even small changes, like planting trees, can save the planet. Let's be heroes of science!
A. The research in the text is amazing, right?
B. Maybe we should do a science project to test this.
C. I'm afraid I can't agree(同意) with you.
D. The part about CO₂ and sunlight confuses me!
E. Fantastic idea!
F. Because plants use sugar to grow!

1. D 2. A 3. F 4. B 5. E